3139836388 has 24 divisors (see below), whose sum is σ = 6029038008. Its totient is φ = 1421811456.

The previous prime is 3139836373. The next prime is 3139836461. The reversal of 3139836388 is 8836389313.

3139836388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1236084964 + 1903751424 = 35158^2 + 43632^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 566881 + ... + 572392.

It is an arithmetic number, because the mean of its divisors is an integer number (251209917).

Almost surely, 2^3139836388 is an apocalyptic number.

It is an amenable number.

3139836388 is a deficient number, since it is larger than the sum of its proper divisors (2889201620).

3139836388 is a wasteful number, since it uses less digits than its factorization.

3139836388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139343 (or 1139341 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 52.

The square root of 3139836388 is about 56034.2429947974. The cubic root of 3139836388 is about 1464.3189164830.

The spelling of 3139836388 in words is "three billion, one hundred thirty-nine million, eight hundred thirty-six thousand, three hundred eighty-eight".