9135855 has 64 divisors (see below), whose sum is σ = 17510400. Its totient is φ = 4510080.

The previous prime is 9135839. The next prime is 9135857. The reversal of 9135855 is 5585319.

It is a happy number.

It is not a de Polignac number, because 9135855 - 2⁴ = 9135839 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (27000) is a multiple of the sum of its prime divisors (135).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9135857) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 154816 + ... + 154874.

It is an arithmetic number, because the mean of its divisors is an integer number (273600).

Almost surely, 2^9135855 is an apocalyptic number.

9135855 is a deficient number, since it is larger than the sum of its proper divisors (8374545).

9135855 is a wasteful number, since it uses less digits than its factorization.

9135855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 135 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 9135855 is about 3022.5576917571. The cubic root of 9135855 is about 209.0497885855.

The spelling of 9135855 in words is "nine million, one hundred thirty-five thousand, eight hundred fifty-five".