113657140 has 24 divisors (see below), whose sum is σ = 240006312. Its totient is φ = 45210240.

The previous prime is 113657113. The next prime is 113657147. The reversal of 113657140 is 41756311.

It can be written as a sum of positive squares in 4 ways, for example, as 362404 + 113294736 = 602^2 + 10644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 113657099 and 113657108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113657147) 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, 12079 + ... + 19318.

It is an arithmetic number, because the mean of its divisors is an integer number (10000263).

Almost surely, 2^113657140 is an apocalyptic number.

113657140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113657140 is an abundant number, since it is smaller than the sum of its proper divisors (126349172).

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

113657140 is a wasteful number, since it uses less digits than its factorization.

113657140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31587 (or 31585 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 113657140 is about 10661.0102710766. The cubic root of 113657140 is about 484.3941703963.

The spelling of 113657140 in words is "one hundred thirteen million, six hundred fifty-seven thousand, one hundred forty".