5706139 has 16 divisors (see below), whose sum is σ = 6303744. Its totient is φ = 5148000.

The previous prime is 5706131. The next prime is 5706163. The reversal of 5706139 is 9316075.

It is a cyclic number.

It is not a de Polignac number, because 5706139 - 2³ = 5706131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5706139.

It is not an unprimeable number, because it can be changed into a prime (5706131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37714 + ... + 37864.

It is an arithmetic number, because the mean of its divisors is an integer number (393984).

Almost surely, 2^5706139 is an apocalyptic number.

5706139 is a deficient number, since it is larger than the sum of its proper divisors (597605).

5706139 is a wasteful number, since it uses less digits than its factorization.

5706139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 5706139 is about 2388.7526033476. The cubic root of 5706139 is about 178.6957055502.

The spelling of 5706139 in words is "five million, seven hundred six thousand, one hundred thirty-nine".