715311139 has 2 divisors, whose sum is σ = 715311140. Its totient is φ = 715311138.

The previous prime is 715311101. The next prime is 715311151. The reversal of 715311139 is 931113517.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 715311139 - 2¹³ = 715302947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 715311139.

It is not a weakly prime, because it can be changed into another prime (715311199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357655569 + 357655570.

It is an arithmetic number, because the mean of its divisors is an integer number (357655570).

Almost surely, 2^715311139 is an apocalyptic number.

715311139 is a deficient number, since it is larger than the sum of its proper divisors (1).

715311139 is an equidigital number, since it uses as much as digits as its factorization.

715311139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2835, while the sum is 31.

The square root of 715311139 is about 26745.3012508740. The cubic root of 715311139 is about 894.3310915918.

The spelling of 715311139 in words is "seven hundred fifteen million, three hundred eleven thousand, one hundred thirty-nine".