12738574054136 has 48 divisors (see below), whose sum is σ = 28992406807440. Its totient is φ = 5222024142720.

The previous prime is 12738574054079. The next prime is 12738574054147. The reversal of 12738574054136 is 63145047583721.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 706433645 + ... + 706451676.

It is an arithmetic number, because the mean of its divisors is an integer number (604008475155).

Almost surely, 2^{12738574054136} is an apocalyptic number.

It is an amenable number.

12738574054136 is an abundant number, since it is smaller than the sum of its proper divisors (16253832753304).

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

12738574054136 is a wasteful number, since it uses less digits than its factorization.

12738574054136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412885364 (or 1412885353 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 12738574054136 in words is "twelve trillion, seven hundred thirty-eight billion, five hundred seventy-four million, fifty-four thousand, one hundred thirty-six".