99894035133 has 20 divisors (see below), whose sum is σ = 149414129920. Its totient is φ = 66511360872.

The previous prime is 99894035089. The next prime is 99894035149. The reversal of 99894035133 is 33153049899.

It is a happy number.

99894035133 is a `hidden beast` number, since 9 + 9 + 89 + 40 + 3 + 513 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-99894035133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99894035133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99894035233) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 719773 + ... + 847266.

It is an arithmetic number, because the mean of its divisors is an integer number (7470706496).

Almost surely, 2^99894035133 is an apocalyptic number.

It is an amenable number.

99894035133 is a deficient number, since it is larger than the sum of its proper divisors (49520094787).

99894035133 is a wasteful number, since it uses less digits than its factorization.

99894035133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567838 (or 1567829 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 99894035133 in words is "ninety-nine billion, eight hundred ninety-four million, thirty-five thousand, one hundred thirty-three".