1317133158 has 24 divisors (see below), whose sum is σ = 2895517464. Its totient is φ = 399131040.

The previous prime is 1317133127. The next prime is 1317133163. The reversal of 1317133158 is 8513317131.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 906391 + ... + 907842.

It is an arithmetic number, because the mean of its divisors is an integer number (120646561).

Almost surely, 2^1317133158 is an apocalyptic number.

1317133158 is an abundant number, since it is smaller than the sum of its proper divisors (1578384306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1317133158 is a wasteful number, since it uses less digits than its factorization.

1317133158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814260 (or 1814249 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 1317133158 is about 36292.3291895133. The cubic root of 1317133158 is about 1096.1665897297.

It can be divided in two parts, 13 and 17133158, that added together give a palindrome (17133171).

The spelling of 1317133158 in words is "one billion, three hundred seventeen million, one hundred thirty-three thousand, one hundred fifty-eight".