90010133 has 4 divisors (see below), whose sum is σ = 90032940. Its totient is φ = 89987328.

The previous prime is 90010127. The next prime is 90010139. The reversal of 90010133 is 33101009.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (90010127) and next prime (90010139).

It can be written as a sum of positive squares in 2 ways, for example, as 77035729 + 12974404 = 8777^2 + 3602^2 .

It is a cyclic number.

It is not a de Polignac number, because 90010133 - 2⁴ = 90010117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90010139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3788 + ... + 13941.

It is an arithmetic number, because the mean of its divisors is an integer number (22508235).

Almost surely, 2^90010133 is an apocalyptic number.

It is an amenable number.

90010133 is a deficient number, since it is larger than the sum of its proper divisors (22807).

90010133 is a wasteful number, since it uses less digits than its factorization.

90010133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22806.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 90010133 is about 9487.3670214660. The cubic root of 90010133 is about 448.1572925706.

The spelling of 90010133 in words is "ninety million, ten thousand, one hundred thirty-three".