1318913316 has 36 divisors (see below), whose sum is σ = 3810194752. Its totient is φ = 376832304.

The previous prime is 1318913303. The next prime is 1318913327. The reversal of 1318913316 is 6133198131.

1318913316 is a `hidden beast` number, since 1 + 318 + 9 + 1 + 331 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2616640 + ... + 2617143.

Almost surely, 2^1318913316 is an apocalyptic number.

It is an amenable number.

1318913316 is an abundant number, since it is smaller than the sum of its proper divisors (2491281436).

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

1318913316 is a wasteful number, since it uses less digits than its factorization.

1318913316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5233800 (or 5233795 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 1318913316 is about 36316.8461736423. The cubic root of 1318913316 is about 1096.6602050393.

The spelling of 1318913316 in words is "one billion, three hundred eighteen million, nine hundred thirteen thousand, three hundred sixteen".