113515408 has 20 divisors (see below), whose sum is σ = 225881500. Its totient is φ = 55223424.

The previous prime is 113515403. The next prime is 113515421. The reversal of 113515408 is 804515311.

It can be written as a sum of positive squares in 2 ways, for example, as 47775744 + 65739664 = 6912^2 + 8108^2 .

It is not an unprimeable number, because it can be changed into a prime (113515403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95283 + ... + 96466.

It is an arithmetic number, because the mean of its divisors is an integer number (11294075).

Almost surely, 2^113515408 is an apocalyptic number.

It is an amenable number.

113515408 is a deficient number, since it is larger than the sum of its proper divisors (112366092).

113515408 is a wasteful number, since it uses less digits than its factorization.

113515408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191794 (or 191788 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 113515408 is about 10654.3609850615. The cubic root of 113515408 is about 484.1927379364.

The spelling of 113515408 in words is "one hundred thirteen million, five hundred fifteen thousand, four hundred eight".