9135129 has 4 divisors (see below), whose sum is σ = 12180176. Its totient is φ = 6090084.

The previous prime is 9135127. The next prime is 9135149. The reversal of 9135129 is 9215319.

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 9135129 - 2¹ = 9135127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9135096 and 9135105.

It is not an unprimeable number, because it can be changed into a prime (9135121) 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, 1522519 + ... + 1522524.

It is an arithmetic number, because the mean of its divisors is an integer number (3045044).

Almost surely, 2^9135129 is an apocalyptic number.

It is an amenable number.

9135129 is a deficient number, since it is larger than the sum of its proper divisors (3045047).

9135129 is a wasteful number, since it uses less digits than its factorization.

9135129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045046.

The product of its digits is 2430, while the sum is 30.

The square root of 9135129 is about 3022.4375924078. The cubic root of 9135129 is about 209.0442509112.

The spelling of 9135129 in words is "nine million, one hundred thirty-five thousand, one hundred twenty-nine".