13154308978746 has 32 divisors (see below), whose sum is σ = 28502012665728. Its totient is φ = 4023243276480.

The previous prime is 13154308978729. The next prime is 13154308978757. The reversal of 13154308978746 is 64787980345131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504912085 + ... + 504938136.

It is an arithmetic number, because the mean of its divisors is an integer number (890687895804).

Almost surely, 2^{13154308978746} is an apocalyptic number.

13154308978746 is an abundant number, since it is smaller than the sum of its proper divisors (15347703686982).

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

13154308978746 is a wasteful number, since it uses less digits than its factorization.

13154308978746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009850406.

The product of its (nonzero) digits is 121927680, while the sum is 66.

The spelling of 13154308978746 in words is "thirteen trillion, one hundred fifty-four billion, three hundred eight million, nine hundred seventy-eight thousand, seven hundred forty-six".