99490133 has 4 divisors (see below), whose sum is σ = 99804300. Its totient is φ = 99175968.

The previous prime is 99490093. The next prime is 99490199. The reversal of 99490133 is 33109499.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50951044 + 48539089 = 7138^2 + 6967^2 .

It is a cyclic number.

It is not a de Polignac number, because 99490133 - 2²⁶ = 32381269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99490033) 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, 156608 + ... + 157241.

It is an arithmetic number, because the mean of its divisors is an integer number (24951075).

Almost surely, 2^99490133 is an apocalyptic number.

It is an amenable number.

99490133 is a deficient number, since it is larger than the sum of its proper divisors (314167).

99490133 is a wasteful number, since it uses less digits than its factorization.

99490133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314166.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 99490133 is about 9974.4740713483. The cubic root of 99490133 is about 463.3686745064.

The spelling of 99490133 in words is "ninety-nine million, four hundred ninety thousand, one hundred thirty-three".