3138013845136 has 15 divisors (see below), whose sum is σ = 6079915553673. Its totient is φ = 1569003379680.

The previous prime is 3138013845103. The next prime is 3138013845157. The reversal of 3138013845136 is 6315483108313.

The square root of 3138013845136 is 1771444.

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., 1360591605136 + 1777422240000 = 1166444^2 + 1333200^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6864346 + ... + 7307206.

Almost surely, 2^{3138013845136} is an apocalyptic number.

3138013845136 is the 1771444-th square number.

It is an amenable number.

3138013845136 is a deficient number, since it is larger than the sum of its proper divisors (2941901708537).

3138013845136 is an frugal number, since it uses more digits than its factorization.

3138013845136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885730 (or 442863 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 3138013845136 in words is "three trillion, one hundred thirty-eight billion, thirteen million, eight hundred forty-five thousand, one hundred thirty-six".