13138960620 has 24 divisors (see below), whose sum is σ = 36789089904. Its totient is φ = 3503722816.

The previous prime is 13138960613. The next prime is 13138960621. The reversal of 13138960620 is 2606983131.

It is not an unprimeable number, because it can be changed into a prime (13138960621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109491279 + ... + 109491398.

It is an arithmetic number, because the mean of its divisors is an integer number (1532878746).

Almost surely, 2^13138960620 is an apocalyptic number.

13138960620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13138960620 is an abundant number, since it is smaller than the sum of its proper divisors (23650129284).

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

13138960620 is a wasteful number, since it uses less digits than its factorization.

13138960620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218982689 (or 218982687 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 13138960620 in words is "thirteen billion, one hundred thirty-eight million, nine hundred sixty thousand, six hundred twenty".