99132638 has 12 divisors (see below), whose sum is σ = 163446360. Its totient is φ = 45060180.

The previous prime is 99132623. The next prime is 99132641. The reversal of 99132638 is 83623199.

It is a junction number, because it is equal to n+sod(n) for n = 99132595 and 99132604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204578 + ... + 205061.

It is an arithmetic number, because the mean of its divisors is an integer number (13620530).

Almost surely, 2^99132638 is an apocalyptic number.

99132638 is a deficient number, since it is larger than the sum of its proper divisors (64313722).

99132638 is a wasteful number, since it uses less digits than its factorization.

99132638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409663 (or 409652 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 99132638 is about 9956.5374503388. The cubic root of 99132638 is about 462.8130053590.

The spelling of 99132638 in words is "ninety-nine million, one hundred thirty-two thousand, six hundred thirty-eight".