129375460 has 24 divisors (see below), whose sum is σ = 283502016. Its totient is φ = 49500000.

The previous prime is 129375413. The next prime is 129375481. The reversal of 129375460 is 64573921.

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, 140166 + ... + 141085.

It is an arithmetic number, because the mean of its divisors is an integer number (11812584).

Almost surely, 2^129375460 is an apocalyptic number.

129375460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129375460 is an abundant number, since it is smaller than the sum of its proper divisors (154126556).

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

129375460 is a wasteful number, since it uses less digits than its factorization.

129375460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281283 (or 281281 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 129375460 is about 11374.3333870605. Note that the first 4 decimals coincide. The cubic root of 129375460 is about 505.7671704011.

The spelling of 129375460 in words is "one hundred twenty-nine million, three hundred seventy-five thousand, four hundred sixty".