129760460 has 12 divisors (see below), whose sum is σ = 272497008. Its totient is φ = 51904176.

The previous prime is 129760447. The next prime is 129760469. The reversal of 129760460 is 64067921.

It is a self number, because there is not a number n which added to its sum of digits gives 129760460.

It is not an unprimeable number, because it can be changed into a prime (129760469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3243992 + ... + 3244031.

It is an arithmetic number, because the mean of its divisors is an integer number (22708084).

Almost surely, 2^129760460 is an apocalyptic number.

129760460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129760460 is an abundant number, since it is smaller than the sum of its proper divisors (142736548).

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

129760460 is a wasteful number, since it uses less digits than its factorization.

129760460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6488032 (or 6488030 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 129760460 is about 11391.2448836815. The cubic root of 129760460 is about 506.2683667573.

The spelling of 129760460 in words is "one hundred twenty-nine million, seven hundred sixty thousand, four hundred sixty".