113657720 has 96 divisors (see below), whose sum is σ = 293600160. Its totient is φ = 39494400.

The previous prime is 113657711. The next prime is 113657759. The reversal of 113657720 is 27756311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110810 + ... + 111830.

It is an arithmetic number, because the mean of its divisors is an integer number (3058335).

Almost surely, 2^113657720 is an apocalyptic number.

113657720 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 113657720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146800080).

113657720 is an abundant number, since it is smaller than the sum of its proper divisors (179942440).

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

113657720 is a wasteful number, since it uses less digits than its factorization.

113657720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 113657720 is about 10661.0374729667. The cubic root of 113657720 is about 484.3949943602.

The spelling of 113657720 in words is "one hundred thirteen million, six hundred fifty-seven thousand, seven hundred twenty".