129395751960 has 64 divisors (see below), whose sum is σ = 393981120000. Its totient is φ = 33990523776.

The previous prime is 129395751937. The next prime is 129395751973. The reversal of 129395751960 is 69157593921.

129395751960 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 129395751960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8038960 + ... + 8055039.

It is an arithmetic number, because the mean of its divisors is an integer number (6155955000).

Almost surely, 2^129395751960 is an apocalyptic number.

129395751960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129395751960 is an abundant number, since it is smaller than the sum of its proper divisors (264585368040).

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

129395751960 is a wasteful number, since it uses less digits than its factorization.

129395751960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16094080 (or 16094076 counting only the distinct ones).

The product of its (nonzero) digits is 4592700, while the sum is 57.

The spelling of 129395751960 in words is "one hundred twenty-nine billion, three hundred ninety-five million, seven hundred fifty-one thousand, nine hundred sixty".