diff --git a/django/contrib/humanize/templatetags/humanize.py b/django/contrib/humanize/templatetags/humanize.py
index d071c3a5be..bf30c43028 100644
--- a/django/contrib/humanize/templatetags/humanize.py
+++ b/django/contrib/humanize/templatetags/humanize.py
@@ -51,53 +51,53 @@ def intcomma(value, use_l10n=True):
 intcomma.is_safe = True
 register.filter(intcomma)
 
-# A dictionary of standard large number to their converters
-intword_converters = {
-    6: lambda number: (
+# A tuple of standard large number to their converters
+intword_converters = (
+    (6, lambda number: (
         ungettext('%(value).1f million', '%(value).1f million', number),
         ungettext('%(value)s million', '%(value)s million', number),
-    ),
-    9: lambda number: (
+    )),
+    (9, lambda number: (
         ungettext('%(value).1f billion', '%(value).1f billion', number),
         ungettext('%(value)s billion', '%(value)s billion', number),
-    ),
-    12: lambda number: (
+    )),
+    (12, lambda number: (
         ungettext('%(value).1f trillion', '%(value).1f trillion', number),
         ungettext('%(value)s trillion', '%(value)s trillion', number),
-    ),
-    15: lambda number: (
+    )),
+    (15, lambda number: (
         ungettext('%(value).1f quadrillion', '%(value).1f quadrillion', number),
         ungettext('%(value)s quadrillion', '%(value)s quadrillion', number),
-    ),
-    18: lambda number: (
+    )),
+    (18, lambda number: (
         ungettext('%(value).1f quintillion', '%(value).1f quintillion', number),
         ungettext('%(value)s quintillion', '%(value)s quintillion', number),
-    ),
-    21: lambda number: (
+    )),
+    (21, lambda number: (
         ungettext('%(value).1f sextillion', '%(value).1f sextillion', number),
         ungettext('%(value)s sextillion', '%(value)s sextillion', number),
-    ),
-    24: lambda number: (
+    )),
+    (24, lambda number: (
         ungettext('%(value).1f septillion', '%(value).1f septillion', number),
         ungettext('%(value)s septillion', '%(value)s septillion', number),
-    ),
-    27: lambda number: (
+    )),
+    (27, lambda number: (
         ungettext('%(value).1f octillion', '%(value).1f octillion', number),
         ungettext('%(value)s octillion', '%(value)s octillion', number),
-    ),
-    30: lambda number: (
+    )),
+    (30, lambda number: (
         ungettext('%(value).1f nonillion', '%(value).1f nonillion', number),
         ungettext('%(value)s nonillion', '%(value)s nonillion', number),
-    ),
-    33: lambda number: (
+    )),
+    (33, lambda number: (
         ungettext('%(value).1f decillion', '%(value).1f decillion', number),
         ungettext('%(value)s decillion', '%(value)s decillion', number),
-    ),
-    100: lambda number: (
+    )),
+    (100, lambda number: (
         ungettext('%(value).1f googol', '%(value).1f googol', number),
         ungettext('%(value)s googol', '%(value)s googol', number),
-    ),
-}
+    )),
+)
 
 def intword(value):
     """
@@ -124,7 +124,7 @@ def intword(value):
             template = float_formatted
         return template % {'value': value}
 
-    for exponent, converters in intword_converters.items():
+    for exponent, converters in intword_converters:
         large_number = 10 ** exponent
         if value < large_number * 1000:
             new_value = value / float(large_number)