13513005144 has 40 divisors (see below), whose sum is σ = 37848928260. Its totient is φ = 4504334832.

The previous prime is 13513005137. The next prime is 13513005151. The reversal of 13513005144 is 44150031531.

It is a happy number.

13513005144 is a `hidden beast` number, since 1 + 3 + 513 + 0 + 0 + 5 + 144 = 666.

It is an interprime number because it is at equal distance from previous prime (13513005137) and next prime (13513005151).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10426054 + ... + 10427349.

Almost surely, 2^13513005144 is an apocalyptic number.

It is an amenable number.

13513005144 is an abundant number, since it is smaller than the sum of its proper divisors (24335923116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13513005144 is a wasteful number, since it uses less digits than its factorization.

13513005144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20853421 (or 20853408 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 13513005144 its reverse (44150031531), we get a palindrome (57663036675).

The spelling of 13513005144 in words is "thirteen billion, five hundred thirteen million, five thousand, one hundred forty-four".