1317133079 has 4 divisors (see below), whose sum is σ = 1317994920. Its totient is φ = 1316271240.

The previous prime is 1317133039. The next prime is 1317133099. The reversal of 1317133079 is 9703317131.

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 1317133079 - 2¹² = 1317128983 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 (1317133039) 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, 428624 + ... + 431685.

It is an arithmetic number, because the mean of its divisors is an integer number (329498730).

Almost surely, 2^1317133079 is an apocalyptic number.

1317133079 is a deficient number, since it is larger than the sum of its proper divisors (861841).

1317133079 is an equidigital number, since it uses as much as digits as its factorization.

1317133079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861840.

The product of its (nonzero) digits is 11907, while the sum is 35.

The square root of 1317133079 is about 36292.3281011290. The cubic root of 1317133079 is about 1096.1665678142.

The spelling of 1317133079 in words is "one billion, three hundred seventeen million, one hundred thirty-three thousand, seventy-nine".