13139189544 has 64 divisors (see below), whose sum is σ = 36515888640. Its totient is φ = 3912410880.

The previous prime is 13139189509. The next prime is 13139189549. The reversal of 13139189544 is 44598193131.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13139189493 and 13139189502.

It is not an unprimeable number, because it can be changed into a prime (13139189549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669567 + ... + 688910.

It is an arithmetic number, because the mean of its divisors is an integer number (570560760).

Almost surely, 2^13139189544 is an apocalyptic number.

It is an amenable number.

13139189544 is an abundant number, since it is smaller than the sum of its proper divisors (23376699096).

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

13139189544 is a wasteful number, since it uses less digits than its factorization.

13139189544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358530 (or 1358526 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The spelling of 13139189544 in words is "thirteen billion, one hundred thirty-nine million, one hundred eighty-nine thousand, five hundred forty-four".