13133121044 has 24 divisors (see below), whose sum is σ = 24698116800. Its totient is φ = 6088046976.

The previous prime is 13133121037. The next prime is 13133121073. The reversal of 13133121044 is 44012133131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436744 + ... + 1445855.

It is an arithmetic number, because the mean of its divisors is an integer number (1029088200).

Almost surely, 2^13133121044 is an apocalyptic number.

It is an amenable number.

13133121044 is a deficient number, since it is larger than the sum of its proper divisors (11564995756).

13133121044 is a wasteful number, since it uses less digits than its factorization.

13133121044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882687 (or 2882685 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13133121044 its reverse (44012133131), we get a palindrome (57145254175).

The spelling of 13133121044 in words is "thirteen billion, one hundred thirty-three million, one hundred twenty-one thousand, forty-four".