13569099138 has 24 divisors (see below), whose sum is σ = 33599674368. Its totient is φ = 3876885432.

The previous prime is 13569099121. The next prime is 13569099149. The reversal of 13569099138 is 83199096531.

It is a Curzon number.

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 11 ways as a sum of consecutive naturals, for example, 53845506 + ... + 53845757.

It is an arithmetic number, because the mean of its divisors is an integer number (1399986432).

Almost surely, 2^13569099138 is an apocalyptic number.

13569099138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13569099138 is an abundant number, since it is smaller than the sum of its proper divisors (20030575230).

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

13569099138 is a wasteful number, since it uses less digits than its factorization.

13569099138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107691278 (or 107691275 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 54.

The spelling of 13569099138 in words is "thirteen billion, five hundred sixty-nine million, ninety-nine thousand, one hundred thirty-eight".