13156854468 has 12 divisors (see below), whose sum is σ = 30699327120. Its totient is φ = 4385618152.

The previous prime is 13156854443. The next prime is 13156854493. The reversal of 13156854468 is 86445865131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13156854443) and next prime (13156854493).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 13156854468.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548202258 + ... + 548202281.

It is an arithmetic number, because the mean of its divisors is an integer number (2558277260).

Almost surely, 2^13156854468 is an apocalyptic number.

It is an amenable number.

13156854468 is an abundant number, since it is smaller than the sum of its proper divisors (17542472652).

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

13156854468 is a wasteful number, since it uses less digits than its factorization.

13156854468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096404546 (or 1096404544 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 51.

The spelling of 13156854468 in words is "thirteen billion, one hundred fifty-six million, eight hundred fifty-four thousand, four hundred sixty-eight".