13564975144 has 32 divisors (see below), whose sum is σ = 30331624320. Its totient is φ = 5560796736.

The previous prime is 13564975103. The next prime is 13564975211. The reversal of 13564975144 is 44157946531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5264619 + ... + 5267194.

It is an arithmetic number, because the mean of its divisors is an integer number (947863260).

Almost surely, 2^13564975144 is an apocalyptic number.

13564975144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13564975144 is an abundant number, since it is smaller than the sum of its proper divisors (16766649176).

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

13564975144 is a wasteful number, since it uses less digits than its factorization.

13564975144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10531849 (or 10531845 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 49.

The spelling of 13564975144 in words is "thirteen billion, five hundred sixty-four million, nine hundred seventy-five thousand, one hundred forty-four".