129334913 has 4 divisors (see below), whose sum is σ = 130265520. Its totient is φ = 128404308.

The previous prime is 129334879. The next prime is 129334921. The reversal of 129334913 is 319433921.

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 not a de Polignac number, because 129334913 - 2¹⁰ = 129333889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129334813) 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, 465095 + ... + 465372.

It is an arithmetic number, because the mean of its divisors is an integer number (32566380).

Almost surely, 2^129334913 is an apocalyptic number.

It is an amenable number.

129334913 is a deficient number, since it is larger than the sum of its proper divisors (930607).

129334913 is an equidigital number, since it uses as much as digits as its factorization.

129334913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930606.

The product of its digits is 17496, while the sum is 35.

The square root of 129334913 is about 11372.5508572176. The cubic root of 129334913 is about 505.7143281176.

The spelling of 129334913 in words is "one hundred twenty-nine million, three hundred thirty-four thousand, nine hundred thirteen".