8318133 has 12 divisors (see below), whose sum is σ = 12460448. Its totient is φ = 5545260.

The previous prime is 8318129. The next prime is 8318161. The reversal of 8318133 is 3318138.

It is not a de Polignac number, because 8318133 - 2² = 8318129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

8318133 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8318097 and 8318106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8318113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16873 + ... + 17358.

Almost surely, 2^8318133 is an apocalyptic number.

It is an amenable number.

8318133 is a deficient number, since it is larger than the sum of its proper divisors (4142315).

8318133 is an equidigital number, since it uses as much as digits as its factorization.

8318133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34246 (or 34234 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 8318133 is about 2884.1173693177. The cubic root of 8318133 is about 202.6167228304.

The spelling of 8318133 in words is "eight million, three hundred eighteen thousand, one hundred thirty-three".