9135428 has 24 divisors (see below), whose sum is σ = 17075520. Its totient is φ = 4263840.

The previous prime is 9135419. The next prime is 9135431. The reversal of 9135428 is 8245319.

9135428 = 372² + 373² + ... + 428².

It is a junction number, because it is equal to n+sod(n) for n = 9135394 and 9135403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4550 + ... + 6242.

It is an arithmetic number, because the mean of its divisors is an integer number (711480).

Almost surely, 2^9135428 is an apocalyptic number.

It is an amenable number.

9135428 is a deficient number, since it is larger than the sum of its proper divisors (7940092).

9135428 is a wasteful number, since it uses less digits than its factorization.

9135428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787 (or 1785 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 9135428 is about 3022.4870553900. The cubic root of 9135428 is about 209.0465316142.

The spelling of 9135428 in words is "nine million, one hundred thirty-five thousand, four hundred twenty-eight".