99817135 has 12 divisors (see below), whose sum is σ = 131660424. Its totient is φ = 72593840.

The previous prime is 99817129. The next prime is 99817163. The reversal of 99817135 is 53171899.

It is not a de Polignac number, because 99817135 - 2¹¹ = 99815087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99817091 and 99817100.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 81889 + ... + 83098.

It is an arithmetic number, because the mean of its divisors is an integer number (10971702).

Almost surely, 2^99817135 is an apocalyptic number.

99817135 is a deficient number, since it is larger than the sum of its proper divisors (31843289).

99817135 is a wasteful number, since it uses less digits than its factorization.

99817135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165014 (or 165003 counting only the distinct ones).

The product of its digits is 68040, while the sum is 43.

The square root of 99817135 is about 9990.8525662228. The cubic root of 99817135 is about 463.8757826797.

The spelling of 99817135 in words is "ninety-nine million, eight hundred seventeen thousand, one hundred thirty-five".