1317407276239 has 2 divisors, whose sum is σ = 1317407276240. Its totient is φ = 1317407276238.

The previous prime is 1317407276191. The next prime is 1317407276243. The reversal of 1317407276239 is 9326727047131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1317407276239 - 2²³ = 1317398887631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317407276249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658703638119 + 658703638120.

It is an arithmetic number, because the mean of its divisors is an integer number (658703638120).

Almost surely, 2^{1317407276239} is an apocalyptic number.

1317407276239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317407276239 is an equidigital number, since it uses as much as digits as its factorization.

1317407276239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2667168, while the sum is 52.

The spelling of 1317407276239 in words is "one trillion, three hundred seventeen billion, four hundred seven million, two hundred seventy-six thousand, two hundred thirty-nine".