15140564 has 12 divisors (see below), whose sum is σ = 26613300. Its totient is φ = 7536768.

The previous prime is 15140519. The next prime is 15140579. The reversal of 15140564 is 46504151.

15140564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13912900 + 1227664 = 3730^2 + 1108^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7349 + ... + 9180.

It is an arithmetic number, because the mean of its divisors is an integer number (2217775).

Almost surely, 2^15140564 is an apocalyptic number.

It is an amenable number.

15140564 is a deficient number, since it is larger than the sum of its proper divisors (11472736).

15140564 is a wasteful number, since it uses less digits than its factorization.

15140564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16762 (or 16760 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 15140564 is about 3891.0877656511. The cubic root of 15140564 is about 247.3891705260.

The spelling of 15140564 in words is "fifteen million, one hundred forty thousand, five hundred sixty-four".