99135197 has 4 divisors (see below), whose sum is σ = 113297376. Its totient is φ = 84973020.

The previous prime is 99135193. The next prime is 99135229. The reversal of 99135197 is 79153199.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99135197 - 2² = 99135193 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 (99135191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7081079 + ... + 7081092.

It is an arithmetic number, because the mean of its divisors is an integer number (28324344).

Almost surely, 2^99135197 is an apocalyptic number.

It is an amenable number.

99135197 is a deficient number, since it is larger than the sum of its proper divisors (14162179).

99135197 is a wasteful number, since it uses less digits than its factorization.

99135197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14162178.

The product of its digits is 76545, while the sum is 44.

The square root of 99135197 is about 9956.6659580404. The cubic root of 99135197 is about 462.8169876609.

The spelling of 99135197 in words is "ninety-nine million, one hundred thirty-five thousand, one hundred ninety-seven".