113179520 has 64 divisors (see below), whose sum is σ = 273747600. Its totient is φ = 44740608.

The previous prime is 113179519. The next prime is 113179529. The reversal of 113179520 is 25971311.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113179529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55967 + ... + 57953.

Almost surely, 2^113179520 is an apocalyptic number.

113179520 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 113179520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136873800).

113179520 is an abundant number, since it is smaller than the sum of its proper divisors (160568080).

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

113179520 is an equidigital number, since it uses as much as digits as its factorization.

113179520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095 (or 2083 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 113179520 is about 10638.5863722583. The cubic root of 113179520 is about 483.7146965047.

The spelling of 113179520 in words is "one hundred thirteen million, one hundred seventy-nine thousand, five hundred twenty".