699371139 has 16 divisors (see below), whose sum is σ = 957358080. Its totient is φ = 453920640.

The previous prime is 699371137. The next prime is 699371159. The reversal of 699371139 is 931173996.

It is not a de Polignac number, because 699371139 - 2¹ = 699371137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (699371137) 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, 13947 + ... + 39915.

It is an arithmetic number, because the mean of its divisors is an integer number (59834880).

Almost surely, 2^699371139 is an apocalyptic number.

699371139 is a deficient number, since it is larger than the sum of its proper divisors (257986941).

699371139 is a wasteful number, since it uses less digits than its factorization.

699371139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26210.

The product of its digits is 275562, while the sum is 48.

The square root of 699371139 is about 26445.6260844776. The cubic root of 699371139 is about 887.6380324619.

The spelling of 699371139 in words is "six hundred ninety-nine million, three hundred seventy-one thousand, one hundred thirty-nine".