99130900 has 72 divisors (see below), whose sum is σ = 236297376. Its totient is φ = 35798400.

The previous prime is 99130891. The next prime is 99130921. The reversal of 99130900 is 903199.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 249502 + ... + 249898.

It is an arithmetic number, because the mean of its divisors is an integer number (3281908).

Almost surely, 2^99130900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99130900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118148688).

99130900 is an abundant number, since it is smaller than the sum of its proper divisors (137166476).

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

99130900 is a wasteful number, since it uses less digits than its factorization.

99130900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 31.

The square root of 99130900 is about 9956.4501706180. The cubic root of 99130900 is about 462.8103006537.

The spelling of 99130900 in words is "ninety-nine million, one hundred thirty thousand, nine hundred".