129806757960 has 64 divisors (see below), whose sum is σ = 424822121280. Its totient is φ = 31468304640.

The previous prime is 129806757943. The next prime is 129806757961. The reversal of 129806757960 is 69757608921.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 129806757894 and 129806757903.

It is not an unprimeable number, because it can be changed into a prime (129806757961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49167907 + ... + 49170546.

It is an arithmetic number, because the mean of its divisors is an integer number (6637845645).

Almost surely, 2^129806757960 is an apocalyptic number.

129806757960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129806757960 is an abundant number, since it is smaller than the sum of its proper divisors (295015363320).

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

129806757960 is a wasteful number, since it uses less digits than its factorization.

129806757960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98338478 (or 98338474 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 60.

The spelling of 129806757960 in words is "one hundred twenty-nine billion, eight hundred six million, seven hundred fifty-seven thousand, nine hundred sixty".