3139679538 has 36 divisors (see below), whose sum is σ = 7111286910. Its totient is φ = 1001054208.

The previous prime is 3139679537. The next prime is 3139679549. The reversal of 3139679538 is 8359769313.

3139679538 is a `hidden beast` number, since 3 + 1 + 39 + 6 + 79 + 538 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2247044409 + 892635129 = 47403^2 + 29877^2 .

It is a super-3 number, since 3×3139679538³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3139679533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 155343 + ... + 174386.

Almost surely, 2^3139679538 is an apocalyptic number.

3139679538 is an abundant number, since it is smaller than the sum of its proper divisors (3971607372).

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

3139679538 is a wasteful number, since it uses less digits than its factorization.

3139679538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329783 (or 329757 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 3139679538 is about 56032.8433867138. The cubic root of 3139679538 is about 1464.2945328084.

The spelling of 3139679538 in words is "three billion, one hundred thirty-nine million, six hundred seventy-nine thousand, five hundred thirty-eight".