90331133 has 8 divisors (see below), whose sum is σ = 93996288. Its totient is φ = 86738704.

The previous prime is 90331123. The next prime is 90331151. The reversal of 90331133 is 33113309.

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

It is a cyclic number.

It is not a de Polignac number, because 90331133 - 2¹⁰ = 90330109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90331099 and 90331108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90331123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15641 + ... + 20622.

It is an arithmetic number, because the mean of its divisors is an integer number (11749536).

Almost surely, 2^90331133 is an apocalyptic number.

It is an amenable number.

90331133 is a deficient number, since it is larger than the sum of its proper divisors (3665155).

90331133 is a wasteful number, since it uses less digits than its factorization.

90331133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36363.

The product of its (nonzero) digits is 729, while the sum is 23.

The square root of 90331133 is about 9504.2691986286. The cubic root of 90331133 is about 448.6894097580.

The spelling of 90331133 in words is "ninety million, three hundred thirty-one thousand, one hundred thirty-three".