1317264195 has 128 divisors (see below), whose sum is σ = 2460342528. Its totient is φ = 597196800.

The previous prime is 1317264191. The next prime is 1317264197. The reversal of 1317264195 is 5914627131.

It is not a de Polignac number, because 1317264195 - 2² = 1317264191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1317264191) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18044679 + ... + 18044751.

It is an arithmetic number, because the mean of its divisors is an integer number (19221426).

Almost surely, 2^1317264195 is an apocalyptic number.

1317264195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1317264195 is a deficient number, since it is larger than the sum of its proper divisors (1143078333).

1317264195 is a wasteful number, since it uses less digits than its factorization.

1317264195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233.

The product of its digits is 45360, while the sum is 39.

The square root of 1317264195 is about 36294.1344434607. The cubic root of 1317264195 is about 1096.2029397923.

The spelling of 1317264195 in words is "one billion, three hundred seventeen million, two hundred sixty-four thousand, one hundred ninety-five".