3138136892 has 12 divisors (see below), whose sum is σ = 5990988696. Its totient is φ = 1426425840.

The previous prime is 3138136877. The next prime is 3138136901. The reversal of 3138136892 is 2986318313.

3138136892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 71321293 = 3138136892 / (3 + 1 + 3 + 8 + 1 + 3 + 6 + 8 + 9 + 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, 35660603 + ... + 35660690.

It is an arithmetic number, because the mean of its divisors is an integer number (499249058).

Almost surely, 2^3138136892 is an apocalyptic number.

It is an amenable number.

3138136892 is a deficient number, since it is larger than the sum of its proper divisors (2852851804).

3138136892 is a wasteful number, since it uses less digits than its factorization.

3138136892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71321308 (or 71321306 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 3138136892 is about 56019.0761437566. The cubic root of 3138136892 is about 1464.0546720055.

The spelling of 3138136892 in words is "three billion, one hundred thirty-eight million, one hundred thirty-six thousand, eight hundred ninety-two".