113507520 has 336 divisors, whose sum is σ = 444764160. Its totient is φ = 24385536.

The previous prime is 113507497. The next prime is 113507531. The reversal of 113507520 is 25705311.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 893697 + ... + 893823.

Almost surely, 2^113507520 is an apocalyptic number.

113507520 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 113507520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222382080).

113507520 is an abundant number, since it is smaller than the sum of its proper divisors (331256640).

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

113507520 is a wasteful number, since it uses less digits than its factorization.

113507520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 113507520 is about 10653.9908015729. The cubic root of 113507520 is about 484.1815224228.

The spelling of 113507520 in words is "one hundred thirteen million, five hundred seven thousand, five hundred twenty".