3138665136 has 40 divisors (see below), whose sum is σ = 8110574640. Its totient is φ = 1045917696.

The previous prime is 3138665053. The next prime is 3138665143. The reversal of 3138665136 is 6315668313.

It is a happy 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, 209380 + ... + 223868.

It is an arithmetic number, because the mean of its divisors is an integer number (202764366).

Almost surely, 2^3138665136 is an apocalyptic number.

It is an amenable number.

3138665136 is an abundant number, since it is smaller than the sum of its proper divisors (4971909504).

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

3138665136 is a wasteful number, since it uses less digits than its factorization.

3138665136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19013 (or 19007 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 3138665136 is about 56023.7908035506. The cubic root of 3138665136 is about 1464.1368157246.

The spelling of 3138665136 in words is "three billion, one hundred thirty-eight million, six hundred sixty-five thousand, one hundred thirty-six".