1317133157 has 16 divisors (see below), whose sum is σ = 1482727680. Its totient is φ = 1163365632.

The previous prime is 1317133127. The next prime is 1317133163. The reversal of 1317133157 is 7513317131.

It is a cyclic number.

It is not a de Polignac number, because 1317133157 - 2¹⁰ = 1317132133 is a prime.

It is a super-3 number, since 3×1317133157³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317133127) 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, 11057 + ... + 52502.

It is an arithmetic number, because the mean of its divisors is an integer number (92670480).

Almost surely, 2^1317133157 is an apocalyptic number.

1317133157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1317133157 is a deficient number, since it is larger than the sum of its proper divisors (165594523).

1317133157 is a wasteful number, since it uses less digits than its factorization.

1317133157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63652.

The product of its digits is 6615, while the sum is 32.

The square root of 1317133157 is about 36292.3291757363. The cubic root of 1317133157 is about 1096.1665894523.

The spelling of 1317133157 in words is "one billion, three hundred seventeen million, one hundred thirty-three thousand, one hundred fifty-seven".