99136807 has 8 divisors (see below), whose sum is σ = 123599232. Its totient is φ = 77249400.

The previous prime is 99136789. The next prime is 99136841. The reversal of 99136807 is 70863199.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99136807 - 2⁷ = 99136679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99136867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643669 + ... + 643822.

It is an arithmetic number, because the mean of its divisors is an integer number (15449904).

Almost surely, 2^99136807 is an apocalyptic number.

99136807 is a deficient number, since it is larger than the sum of its proper divisors (24462425).

99136807 is a wasteful number, since it uses less digits than its factorization.

99136807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287509.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 99136807 is about 9956.7468080694. The cubic root of 99136807 is about 462.8194930991.

The spelling of 99136807 in words is "ninety-nine million, one hundred thirty-six thousand, eight hundred seven".