129375883 has 16 divisors (see below), whose sum is σ = 167614720. Its totient is φ = 96974496.

The previous prime is 129375881. The next prime is 129375889. The reversal of 129375883 is 388573921.

It is a cyclic number.

It is not a de Polignac number, because 129375883 - 2¹ = 129375881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129375881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35685 + ... + 39142.

It is an arithmetic number, because the mean of its divisors is an integer number (10475920).

Almost surely, 2^129375883 is an apocalyptic number.

129375883 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

129375883 is a deficient number, since it is larger than the sum of its proper divisors (38238837).

129375883 is a wasteful number, since it uses less digits than its factorization.

129375883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74866.

The product of its digits is 362880, while the sum is 46.

The square root of 129375883 is about 11374.3519815416. The cubic root of 129375883 is about 505.7677216114.

The spelling of 129375883 in words is "one hundred twenty-nine million, three hundred seventy-five thousand, eight hundred eighty-three".