1317083136 has 72 divisors (see below), whose sum is σ = 3518964540. Its totient is φ = 438079488.

The previous prime is 1317083107. The next prime is 1317083179. The reversal of 1317083136 is 6313807131.

It is a junction number, because it is equal to n+sod(n) for n = 1317083097 and 1317083106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2844441 + ... + 2844903.

Almost surely, 2^1317083136 is an apocalyptic number.

1317083136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1317083136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1759482270).

1317083136 is an abundant number, since it is smaller than the sum of its proper divisors (2201881404).

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

1317083136 is an frugal number, since it uses more digits than its factorization.

1317083136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1317083136 is about 36291.6400290756. The cubic root of 1317083136 is about 1096.1527128389.

The spelling of 1317083136 in words is "one billion, three hundred seventeen million, eighty-three thousand, one hundred thirty-six".