700809139 has 8 divisors (see below), whose sum is σ = 754611120. Its totient is φ = 648404736.

The previous prime is 700809127. The next prime is 700809143. The reversal of 700809139 is 931908007.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 700809139 - 2⁵ = 700809107 is a prime.

It is a super-2 number, since 2×700809139² = 982266898611842642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 700809098 and 700809107.

It is not an unprimeable number, because it can be changed into a prime (700809199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348354 + ... + 350359.

It is an arithmetic number, because the mean of its divisors is an integer number (94326390).

Almost surely, 2^700809139 is an apocalyptic number.

700809139 is a deficient number, since it is larger than the sum of its proper divisors (53801981).

700809139 is a wasteful number, since it uses less digits than its factorization.

700809139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698789.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 700809139 is about 26472.7999841347. The cubic root of 700809139 is about 888.2459832267.

The spelling of 700809139 in words is "seven hundred million, eight hundred nine thousand, one hundred thirty-nine".