113530920 has 32 divisors (see below), whose sum is σ = 340593120. Its totient is φ = 30274880.

The previous prime is 113530877. The next prime is 113530933. The reversal of 113530920 is 29035311.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 472926 + ... + 473165.

It is an arithmetic number, because the mean of its divisors is an integer number (10643535).

Almost surely, 2^113530920 is an apocalyptic number.

113530920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113530920 is an abundant number, since it is smaller than the sum of its proper divisors (227062200).

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

113530920 is a wasteful number, since it uses less digits than its factorization.

113530920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946105 (or 946101 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 113530920 is about 10655.0889250161. The cubic root of 113530920 is about 484.2147920809.

The spelling of 113530920 in words is "one hundred thirteen million, five hundred thirty thousand, nine hundred twenty".