13389731040 has 96 divisors (see below), whose sum is σ = 48203043840. Its totient is φ = 3060509184.

The previous prime is 13389731023. The next prime is 13389731107. The reversal of 13389731040 is 4013798331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 13389731040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1989160 + ... + 1995879.

It is an arithmetic number, because the mean of its divisors is an integer number (502115040).

Almost surely, 2^13389731040 is an apocalyptic number.

13389731040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13389731040 is an abundant number, since it is smaller than the sum of its proper divisors (34813312800).

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

13389731040 is a wasteful number, since it uses less digits than its factorization.

13389731040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3985064 (or 3985056 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 13389731040 in words is "thirteen billion, three hundred eighty-nine million, seven hundred thirty-one thousand, forty".