139597259713 has 2 divisors, whose sum is σ = 139597259714. Its totient is φ = 139597259712.

The previous prime is 139597259623. The next prime is 139597259773. The reversal of 139597259713 is 317952795931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105552212544 + 34045047169 = 324888^2 + 184513^2 .

It is a cyclic number.

It is not a de Polignac number, because 139597259713 - 2⁹ = 139597259201 is a prime.

It is not a weakly prime, because it can be changed into another prime (139597259773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69798629856 + 69798629857.

It is an arithmetic number, because the mean of its divisors is an integer number (69798629857).

Almost surely, 2^139597259713 is an apocalyptic number.

It is an amenable number.

139597259713 is a deficient number, since it is larger than the sum of its proper divisors (1).

139597259713 is an equidigital number, since it uses as much as digits as its factorization.

139597259713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16074450, while the sum is 61.

The spelling of 139597259713 in words is "one hundred thirty-nine billion, five hundred ninety-seven million, two hundred fifty-nine thousand, seven hundred thirteen".