113915720 has 16 divisors (see below), whose sum is σ = 256310460. Its totient is φ = 45566272.

The previous prime is 113915719. The next prime is 113915723. The reversal of 113915720 is 27519311.

It can be written as a sum of positive squares in 2 ways, for example, as 107453956 + 6461764 = 10366^2 + 2542^2 .

It is not an unprimeable number, because it can be changed into a prime (113915723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1423907 + ... + 1423986.

Almost surely, 2^113915720 is an apocalyptic number.

113915720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113915720 is an abundant number, since it is smaller than the sum of its proper divisors (142394740).

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

113915720 is a wasteful number, since it uses less digits than its factorization.

113915720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847904 (or 2847900 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 113915720 is about 10673.1307496910. The cubic root of 113915720 is about 484.7612386275.

The spelling of 113915720 in words is "one hundred thirteen million, nine hundred fifteen thousand, seven hundred twenty".