99137806 has 8 divisors (see below), whose sum is σ = 148814784. Its totient is φ = 49532880.

The previous prime is 99137803. The next prime is 99137813. The reversal of 99137806 is 60873199.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99137803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14430 + ... + 20161.

It is an arithmetic number, because the mean of its divisors is an integer number (18601848).

Almost surely, 2^99137806 is an apocalyptic number.

99137806 is a deficient number, since it is larger than the sum of its proper divisors (49676978).

99137806 is a wasteful number, since it uses less digits than its factorization.

99137806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36026.

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

The square root of 99137806 is about 9956.7969749312. The cubic root of 99137806 is about 462.8210477020.

The spelling of 99137806 in words is "ninety-nine million, one hundred thirty-seven thousand, eight hundred six".