13530316928 has 32 divisors (see below), whose sum is σ = 26960232000. Its totient is φ = 6763827456.

The previous prime is 13530316903. The next prime is 13530316931. The reversal of 13530316928 is 82961303531.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125413 + ... + 1137371.

It is an arithmetic number, because the mean of its divisors is an integer number (842507250).

Almost surely, 2^13530316928 is an apocalyptic number.

It is an amenable number.

13530316928 is a deficient number, since it is larger than the sum of its proper divisors (13429915072).

13530316928 is an equidigital number, since it uses as much as digits as its factorization.

13530316928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20812 (or 20800 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 13530316928 in words is "thirteen billion, five hundred thirty million, three hundred sixteen thousand, nine hundred twenty-eight".