13540325922 has 18 divisors (see below), whose sum is σ = 29338442523. Its totient is φ = 4513277412.

The previous prime is 13540325893. The next prime is 13540325947. The reversal of 13540325922 is 22952304531.

13540325922 is a `hidden beast` number, since 1 + 3 + 540 + 3 + 25 + 92 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6770162961 + 6770162961 = 82281^2 + 82281^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=82281.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 479973 + ... + 507399.

Almost surely, 2^13540325922 is an apocalyptic number.

13540325922 is an abundant number, since it is smaller than the sum of its proper divisors (15798116601).

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

13540325922 is an frugal number, since it uses more digits than its factorization.

13540325922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54862 (or 27432 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Multiplying 13540325922 by its product of nonzero digits (64800), we get a square (877413119745600 = 29621160²).

The spelling of 13540325922 in words is "thirteen billion, five hundred forty million, three hundred twenty-five thousand, nine hundred twenty-two".