99136129 has 16 divisors (see below), whose sum is σ = 112596480. Its totient is φ = 86711040.

The previous prime is 99136099. The next prime is 99136151. The reversal of 99136129 is 92163199.

It is a cyclic number.

It is not a de Polignac number, because 99136129 - 2⁵ = 99136097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99136091 and 99136100.

It is not an unprimeable number, because it can be changed into a prime (99136159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14224 + ... + 20014.

It is an arithmetic number, because the mean of its divisors is an integer number (7037280).

Almost surely, 2^99136129 is an apocalyptic number.

It is an amenable number.

99136129 is a deficient number, since it is larger than the sum of its proper divisors (13460351).

99136129 is a wasteful number, since it uses less digits than its factorization.

99136129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5880.

The product of its digits is 26244, while the sum is 40.

The square root of 99136129 is about 9956.7127607459. The cubic root of 99136129 is about 462.8184380172.

The spelling of 99136129 in words is "ninety-nine million, one hundred thirty-six thousand, one hundred twenty-nine".