3138062642 has 54 divisors (see below), whose sum is σ = 5622820119. Its totient is φ = 1311916320.

The previous prime is 3138062621. The next prime is 3138062647. The reversal of 3138062642 is 2462608313.

It can be written as a sum of positive squares in 5 ways, for example, as 4414201 + 3133648441 = 2101^2 + 55979^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=39611.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3138062647) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11328608 + ... + 11328884.

Almost surely, 2^3138062642 is an apocalyptic number.

3138062642 is a deficient number, since it is larger than the sum of its proper divisors (2484757477).

3138062642 is a wasteful number, since it uses less digits than its factorization.

3138062642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 3138062642 is about 56018.4134191607. The cubic root of 3138062642 is about 1464.0431251418.

Multiplying 3138062642 by its product of nonzero digits (41472), we get a square (130141733889024 = 11407968²).

The spelling of 3138062642 in words is "three billion, one hundred thirty-eight million, sixty-two thousand, six hundred forty-two".