129515675 has 12 divisors (see below), whose sum is σ = 165781056. Its totient is φ = 100269600.

The previous prime is 129515641. The next prime is 129515677. The reversal of 129515675 is 576515921.

It is not a de Polignac number, because 129515675 - 2¹⁴ = 129499291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129515677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82784 + ... + 84333.

It is an arithmetic number, because the mean of its divisors is an integer number (13815088).

Almost surely, 2^129515675 is an apocalyptic number.

129515675 is a deficient number, since it is larger than the sum of its proper divisors (36265381).

129515675 is a wasteful number, since it uses less digits than its factorization.

129515675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167158 (or 167153 counting only the distinct ones).

The product of its digits is 94500, while the sum is 41.

The square root of 129515675 is about 11380.4953758613. The cubic root of 129515675 is about 505.9498184858.

The spelling of 129515675 in words is "one hundred twenty-nine million, five hundred fifteen thousand, six hundred seventy-five".