13333320128 has 28 divisors (see below), whose sum is σ = 26462214792. Its totient is φ = 6665675520.

The previous prime is 13333320109. The next prime is 13333320137. The reversal of 13333320128 is 82102333331.

It is a self number, because there is not a number n which added to its sum of digits gives 13333320128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633551 + ... + 654257.

Almost surely, 2^13333320128 is an apocalyptic number.

It is an amenable number.

13333320128 is a deficient number, since it is larger than the sum of its proper divisors (13128894664).

13333320128 is a wasteful number, since it uses less digits than its factorization.

13333320128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30780 (or 30770 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 13333320128 its reverse (82102333331), we get a palindrome (95435653459).

The spelling of 13333320128 in words is "thirteen billion, three hundred thirty-three million, three hundred twenty thousand, one hundred twenty-eight".