129604933 has 4 divisors (see below), whose sum is σ = 129656128. Its totient is φ = 129553740.

The previous prime is 129604873. The next prime is 129604939. The reversal of 129604933 is 339406921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 129604933 - 2²¹ = 127507781 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129604892 and 129604901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129604939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21591 + ... + 26932.

It is an arithmetic number, because the mean of its divisors is an integer number (32414032).

Almost surely, 2^129604933 is an apocalyptic number.

It is an amenable number.

129604933 is a deficient number, since it is larger than the sum of its proper divisors (51195).

129604933 is an equidigital number, since it uses as much as digits as its factorization.

129604933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51194.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 129604933 is about 11384.4162344848. The cubic root of 129604933 is about 506.0660198609.

The spelling of 129604933 in words is "one hundred twenty-nine million, six hundred four thousand, nine hundred thirty-three".