115390564 has 27 divisors (see below), whose sum is σ = 208570873. Its totient is φ = 55858400.

The previous prime is 115390469. The next prime is 115390571. The reversal of 115390564 is 465093511.

The square root of 115390564 is 10742.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5560164 + 109830400 = 2358^2 + 10480^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 880779 + ... + 880909.

Almost surely, 2^115390564 is an apocalyptic number.

115390564 is the 10742-nd square number.

It is an amenable number.

115390564 is a deficient number, since it is larger than the sum of its proper divisors (93180309).

115390564 is an equidigital number, since it uses as much as digits as its factorization.

115390564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The cubic root of 115390564 is about 486.8443101616.

The spelling of 115390564 in words is "one hundred fifteen million, three hundred ninety thousand, five hundred sixty-four".