700139 has 4 divisors (see below), whose sum is σ = 763800. Its totient is φ = 636480.

The previous prime is 700129. The next prime is 700171. The reversal of 700139 is 931007.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 700139 - 2¹⁶ = 634603 is a prime.

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 700139.

It is not an unprimeable number, because it can be changed into a prime (700109) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 31814 + ... + 31835.

It is an arithmetic number, because the mean of its divisors is an integer number (190950).

2⁷⁰⁰¹³⁹ is an apocalyptic number.

700139 is a deficient number, since it is larger than the sum of its proper divisors (63661).

700139 is a wasteful number, since it uses less digits than its factorization.

700139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63660.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 700139 is about 836.7430907991. The cubic root of 700139 is about 88.7962768642.

The spelling of 700139 in words is "seven hundred thousand, one hundred thirty-nine".