700139805 has 32 divisors (see below), whose sum is σ = 1178219520. Its totient is φ = 354531840.

The previous prime is 700139753. The next prime is 700139813. The reversal of 700139805 is 508931007.

It is not a de Polignac number, because 700139805 - 2⁷ = 700139677 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10441 + ... + 38849.

It is an arithmetic number, because the mean of its divisors is an integer number (36819360).

Almost surely, 2^700139805 is an apocalyptic number.

It is an amenable number.

700139805 is a deficient number, since it is larger than the sum of its proper divisors (478079715).

700139805 is a wasteful number, since it uses less digits than its factorization.

700139805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28501.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 700139805 is about 26460.1550448972. The cubic root of 700139805 is about 887.9631089597.

The spelling of 700139805 in words is "seven hundred million, one hundred thirty-nine thousand, eight hundred five".