13104040133421 has 12 divisors (see below), whose sum is σ = 18939836496672. Its totient is φ = 8730590512776.

The previous prime is 13104040133389. The next prime is 13104040133479. The reversal of 13104040133421 is 12433104040131.

13104040133421 is a `hidden beast` number, since 1 + 3 + 104 + 0 + 4 + 0 + 133 + 421 = 666.

It is not a de Polignac number, because 13104040133421 - 2⁵ = 13104040133389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104040133221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453004971 + ... + 453033896.

It is an arithmetic number, because the mean of its divisors is an integer number (1578319708056).

Almost surely, 2^{13104040133421} is an apocalyptic number.

It is an amenable number.

13104040133421 is a deficient number, since it is larger than the sum of its proper divisors (5835796363251).

13104040133421 is a wasteful number, since it uses less digits than its factorization.

13104040133421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906040480 (or 906040477 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 13104040133421 its reverse (12433104040131), we get a palindrome (25537144173552).

The spelling of 13104040133421 in words is "thirteen trillion, one hundred four billion, forty million, one hundred thirty-three thousand, four hundred twenty-one".