5136644 has 12 divisors (see below), whose sum is σ = 9208668. Its totient is φ = 2505600.

The previous prime is 5136629. The next prime is 5136661. The reversal of 5136644 is 4466315.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1295044 + 3841600 = 1138^2 + 1960^2 .

It is a super-2 number, since 2×5136644² = 52770223165472, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15497 + ... + 15824.

It is an arithmetic number, because the mean of its divisors is an integer number (767389).

Almost surely, 2^5136644 is an apocalyptic number.

It is an amenable number.

5136644 is a deficient number, since it is larger than the sum of its proper divisors (4072024).

5136644 is a wasteful number, since it uses less digits than its factorization.

5136644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31366 (or 31364 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 5136644 is about 2266.4165548283. The cubic root of 5136644 is about 172.5413357497.

The spelling of 5136644 in words is "five million, one hundred thirty-six thousand, six hundred forty-four".