8133918 has 16 divisors (see below), whose sum is σ = 17519376. Its totient is φ = 2502720.

The previous prime is 8133913. The next prime is 8133929. The reversal of 8133918 is 8193318.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8133913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52063 + ... + 52218.

It is an arithmetic number, because the mean of its divisors is an integer number (1094961).

Almost surely, 2^8133918 is an apocalyptic number.

8133918 is an abundant number, since it is smaller than the sum of its proper divisors (9385458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8133918 is a wasteful number, since it uses less digits than its factorization.

8133918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104299.

The product of its digits is 5184, while the sum is 33.

The square root of 8133918 is about 2852.0024544169. The cubic root of 8133918 is about 201.1098135120.

The spelling of 8133918 in words is "eight million, one hundred thirty-three thousand, nine hundred eighteen".