129543315792 has 40 divisors (see below), whose sum is σ = 365076618720. Its totient is φ = 39255550080.

The previous prime is 129543315791. The next prime is 129543315821. The reversal of 129543315792 is 297513345921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129543315791) 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, 122673067 + ... + 122674122.

It is an arithmetic number, because the mean of its divisors is an integer number (9126915468).

Almost surely, 2^129543315792 is an apocalyptic number.

129543315792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129543315792 is an abundant number, since it is smaller than the sum of its proper divisors (235533302928).

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

129543315792 is a wasteful number, since it uses less digits than its factorization.

129543315792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245347211 (or 245347205 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 51.

The spelling of 129543315792 in words is "one hundred twenty-nine billion, five hundred forty-three million, three hundred fifteen thousand, seven hundred ninety-two".