5139664 has 20 divisors (see below), whose sum is σ = 10034080. Its totient is φ = 2550240.

The previous prime is 5139653. The next prime is 5139679. The reversal of 5139664 is 4669315.

It is a super-2 number, since 2×5139664² = 52832292065792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069 + ... + 3379.

It is an arithmetic number, because the mean of its divisors is an integer number (501704).

Almost surely, 2^5139664 is an apocalyptic number.

It is an amenable number.

5139664 is a deficient number, since it is larger than the sum of its proper divisors (4894416).

5139664 is a wasteful number, since it uses less digits than its factorization.

5139664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458 (or 2452 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 5139664 is about 2267.0827069165. The cubic root of 5139664 is about 172.5751433452.

The spelling of 5139664 in words is "five million, one hundred thirty-nine thousand, six hundred sixty-four".