13129544760 has 32 divisors (see below), whose sum is σ = 39388634640. Its totient is φ = 3501211904.

The previous prime is 13129544719. The next prime is 13129544773. The reversal of 13129544760 is 6744592131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54706317 + ... + 54706556.

Almost surely, 2^13129544760 is an apocalyptic number.

13129544760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13129544760 is an abundant number, since it is smaller than the sum of its proper divisors (26259089880).

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

13129544760 is a wasteful number, since it uses less digits than its factorization.

13129544760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109412887 (or 109412883 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 13129544760 in words is "thirteen billion, one hundred twenty-nine million, five hundred forty-four thousand, seven hundred sixty".