113720916 has 12 divisors (see below), whose sum is σ = 265348832. Its totient is φ = 37906968.

The previous prime is 113720903. The next prime is 113720917. The reversal of 113720916 is 619027311.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113720917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4738360 + ... + 4738383.

Almost surely, 2^113720916 is an apocalyptic number.

It is an amenable number.

113720916 is an abundant number, since it is smaller than the sum of its proper divisors (151627916).

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

113720916 is a wasteful number, since it uses less digits than its factorization.

113720916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9476750 (or 9476748 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 113720916 is about 10664.0009377344. Note that the first 3 decimals coincide. The cubic root of 113720916 is about 484.4847555432.

The spelling of 113720916 in words is "one hundred thirteen million, seven hundred twenty thousand, nine hundred sixteen".