700139161 has 2 divisors, whose sum is σ = 700139162. Its totient is φ = 700139160.

The previous prime is 700139147. The next prime is 700139191. The reversal of 700139161 is 161931007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 593409600 + 106729561 = 24360^2 + 10331^2 .

It is a cyclic number.

It is not a de Polignac number, because 700139161 - 2⁵ = 700139129 is a prime.

It is not a weakly prime, because it can be changed into another prime (700139191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350069580 + 350069581.

It is an arithmetic number, because the mean of its divisors is an integer number (350069581).

Almost surely, 2^700139161 is an apocalyptic number.

It is an amenable number.

700139161 is a deficient number, since it is larger than the sum of its proper divisors (1).

700139161 is an equidigital number, since it uses as much as digits as its factorization.

700139161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 700139161 is about 26460.1428756536. The cubic root of 700139161 is about 887.9628367053.

The spelling of 700139161 in words is "seven hundred million, one hundred thirty-nine thousand, one hundred sixty-one".