99136238 has 16 divisors (see below), whose sum is σ = 149945040. Its totient is φ = 49156800.

The previous prime is 99136229. The next prime is 99136241. The reversal of 99136238 is 83263199.

It is a junction number, because it is equal to n+sod(n) for n = 99136195 and 99136204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235268 + ... + 235688.

It is an arithmetic number, because the mean of its divisors is an integer number (9371565).

Almost surely, 2^99136238 is an apocalyptic number.

99136238 is a deficient number, since it is larger than the sum of its proper divisors (50808802).

99136238 is a wasteful number, since it uses less digits than its factorization.

99136238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123.

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

The square root of 99136238 is about 9956.7182344385. The cubic root of 99136238 is about 462.8186076398.

The spelling of 99136238 in words is "ninety-nine million, one hundred thirty-six thousand, two hundred thirty-eight".