1317937147 has 16 divisors (see below), whose sum is σ = 1415221920. Its totient is φ = 1223596800.

The previous prime is 1317937139. The next prime is 1317937207. The reversal of 1317937147 is 7417397131.

It is a cyclic number.

It is not a de Polignac number, because 1317937147 - 2³ = 1317937139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1317907147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337647 + ... + 341527.

It is an arithmetic number, because the mean of its divisors is an integer number (88451370).

Almost surely, 2^1317937147 is an apocalyptic number.

1317937147 is a deficient number, since it is larger than the sum of its proper divisors (97284773).

1317937147 is a wasteful number, since it uses less digits than its factorization.

1317937147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4254.

The product of its digits is 111132, while the sum is 43.

The square root of 1317937147 is about 36303.4040690401. The cubic root of 1317937147 is about 1096.3895807556.

The spelling of 1317937147 in words is "one billion, three hundred seventeen million, nine hundred thirty-seven thousand, one hundred forty-seven".