15138264 has 32 divisors (see below), whose sum is σ = 37944000. Its totient is φ = 5032992.

The previous prime is 15138259. The next prime is 15138293. The reversal of 15138264 is 46283151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14347 + ... + 15365.

It is an arithmetic number, because the mean of its divisors is an integer number (1185750).

Almost surely, 2^15138264 is an apocalyptic number.

It is an amenable number.

15138264 is an abundant number, since it is smaller than the sum of its proper divisors (22805736).

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

15138264 is a wasteful number, since it uses less digits than its factorization.

15138264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647 (or 1643 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 15138264 is about 3890.7922072503. The cubic root of 15138264 is about 247.3766429455.

The spelling of 15138264 in words is "fifteen million, one hundred thirty-eight thousand, two hundred sixty-four".