702345139 has 2 divisors, whose sum is σ = 702345140. Its totient is φ = 702345138.

The previous prime is 702345079. The next prime is 702345151. The reversal of 702345139 is 931543207.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 702345139 - 2¹⁷ = 702214067 is a prime.

It is not a weakly prime, because it can be changed into another prime (702345239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351172569 + 351172570.

It is an arithmetic number, because the mean of its divisors is an integer number (351172570).

Almost surely, 2^702345139 is an apocalyptic number.

702345139 is a deficient number, since it is larger than the sum of its proper divisors (1).

702345139 is an equidigital number, since it uses as much as digits as its factorization.

702345139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 702345139 is about 26501.7950146778. The cubic root of 702345139 is about 888.8944480734.

The spelling of 702345139 in words is "seven hundred two million, three hundred forty-five thousand, one hundred thirty-nine".