+133 is a [Natural number](/wiki/Natural_number), an integer that follows 132 and precedes 134. As an [Odd number](/wiki/Odd_number), it is also a composite number, famously the product of the prime numbers 7 and 19.
+## See also
+- [Prime Number](/wiki/Prime_Number)
+- [Composite Number](/wiki/Composite_Number)
+- [Semiprime](/wiki/Semiprime)
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