9135213 has 8 divisors (see below), whose sum is σ = 12197568. Its totient is φ = 6081504.

The previous prime is 9135211. The next prime is 9135223. The reversal of 9135213 is 3125319.

It is a happy number.

9135213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9135213 - 2¹ = 9135211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9135211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945 + ... + 4377.

It is an arithmetic number, because the mean of its divisors is an integer number (1524696).

Almost surely, 2^9135213 is an apocalyptic number.

It is an amenable number.

9135213 is a deficient number, since it is larger than the sum of its proper divisors (3062355).

9135213 is a wasteful number, since it uses less digits than its factorization.

9135213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323.

The product of its digits is 810, while the sum is 24.

The square root of 9135213 is about 3022.4514884444. The cubic root of 9135213 is about 209.0448916489.

The spelling of 9135213 in words is "nine million, one hundred thirty-five thousand, two hundred thirteen".