13520113144 has 16 divisors (see below), whose sum is σ = 25360558200. Its totient is φ = 6757297632.

The previous prime is 13520113097. The next prime is 13520113163. The reversal of 13520113144 is 44131102531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323967 + ... + 363310.

Almost surely, 2^13520113144 is an apocalyptic number.

It is an amenable number.

13520113144 is a deficient number, since it is larger than the sum of its proper divisors (11840445056).

13520113144 is a wasteful number, since it uses less digits than its factorization.

13520113144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689742 (or 689738 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 13520113144 its reverse (44131102531), we get a palindrome (57651215675).

The spelling of 13520113144 in words is "thirteen billion, five hundred twenty million, one hundred thirteen thousand, one hundred forty-four".