1317239359 has 4 divisors (see below), whose sum is σ = 1318892904. Its totient is φ = 1315585816.

The previous prime is 1317239333. The next prime is 1317239377. The reversal of 1317239359 is 9539327131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1317239359 - 2⁵ = 1317239327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317239389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825577 + ... + 827170.

It is an arithmetic number, because the mean of its divisors is an integer number (329723226).

Almost surely, 2^1317239359 is an apocalyptic number.

1317239359 is a deficient number, since it is larger than the sum of its proper divisors (1653545).

1317239359 is an equidigital number, since it uses as much as digits as its factorization.

1317239359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653544.

The product of its digits is 153090, while the sum is 43.

The square root of 1317239359 is about 36293.7922928977. The cubic root of 1317239359 is about 1096.1960503955.

The spelling of 1317239359 in words is "one billion, three hundred seventeen million, two hundred thirty-nine thousand, three hundred fifty-nine".