99130239 has 36 divisors (see below), whose sum is σ = 162815016. Its totient is φ = 57767904.

The previous prime is 99130181. The next prime is 99130259. The reversal of 99130239 is 93203199.

It is not a de Polignac number, because 99130239 - 2⁸ = 99129983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99130259) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41064 + ... + 43410.

Almost surely, 2^99130239 is an apocalyptic number.

99130239 is a deficient number, since it is larger than the sum of its proper divisors (63684777).

99130239 is a wasteful number, since it uses less digits than its factorization.

99130239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404 (or 2382 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 99130239 is about 9956.4169760010. The cubic root of 99130239 is about 462.8092719859.

The spelling of 99130239 in words is "ninety-nine million, one hundred thirty thousand, two hundred thirty-nine".