113139180 has 240 divisors, whose sum is σ = 442987776. Its totient is φ = 23483520.

The previous prime is 113139157. The next prime is 113139193. The reversal of 113139180 is 81931311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 124287 + ... + 125193.

Almost surely, 2^113139180 is an apocalyptic number.

113139180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113139180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221493888).

113139180 is an abundant number, since it is smaller than the sum of its proper divisors (329848596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113139180 is a wasteful number, since it uses less digits than its factorization.

113139180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 113139180 is about 10636.6902747048. The cubic root of 113139180 is about 483.6572203534.

The spelling of 113139180 in words is "one hundred thirteen million, one hundred thirty-nine thousand, one hundred eighty".