5816138 has 16 divisors (see below), whose sum is σ = 8933760. Its totient is φ = 2839200.

The previous prime is 5816123. The next prime is 5816143. The reversal of 5816138 is 8316185.

It is a super-2 number, since 2×5816138² = 67654922470088, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20558 + ... + 20838.

It is an arithmetic number, because the mean of its divisors is an integer number (558360).

Almost surely, 2^5816138 is an apocalyptic number.

5816138 is a deficient number, since it is larger than the sum of its proper divisors (3117622).

5816138 is a wasteful number, since it uses less digits than its factorization.

5816138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its digits is 5760, while the sum is 32.

The square root of 5816138 is about 2411.6670582815. The cubic root of 5816138 is about 179.8366625270.

The spelling of 5816138 in words is "five million, eight hundred sixteen thousand, one hundred thirty-eight".