13138728054 has 64 divisors (see below), whose sum is σ = 27043061760. Its totient is φ = 4254068000.

The previous prime is 13138728017. The next prime is 13138728077. The reversal of 13138728054 is 45082783131.

It is a junction number, because it is equal to n+sod(n) for n = 13138727997 and 13138728015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14421859 + ... + 14422769.

It is an arithmetic number, because the mean of its divisors is an integer number (422547840).

Almost surely, 2^13138728054 is an apocalyptic number.

13138728054 is an abundant number, since it is smaller than the sum of its proper divisors (13904333706).

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

13138728054 is a wasteful number, since it uses less digits than its factorization.

13138728054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 13138728054 in words is "thirteen billion, one hundred thirty-eight million, seven hundred twenty-eight thousand, fifty-four".