13318987734 has 64 divisors (see below), whose sum is σ = 31893281280. Its totient is φ = 4095735840.

The previous prime is 13318987709. The next prime is 13318987753. The reversal of 13318987734 is 43778981331.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1460529 + ... + 1469619.

It is an arithmetic number, because the mean of its divisors is an integer number (498332520).

Almost surely, 2^13318987734 is an apocalyptic number.

13318987734 is an abundant number, since it is smaller than the sum of its proper divisors (18574293546).

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

13318987734 is a wasteful number, since it uses less digits than its factorization.

13318987734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11202 (or 11196 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 13318987734 in words is "thirteen billion, three hundred eighteen million, nine hundred eighty-seven thousand, seven hundred thirty-four".