99685135 has 8 divisors (see below), whose sum is σ = 130496976. Its totient is φ = 72498240.

The previous prime is 99685121. The next prime is 99685147. The reversal of 99685135 is 53158699.

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

It is not a de Polignac number, because 99685135 - 2¹³ = 99676943 is a prime.

It is a super-2 number, since 2×99685135² = 19874252279936450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906174 + ... + 906283.

It is an arithmetic number, because the mean of its divisors is an integer number (16312122).

Almost surely, 2^99685135 is an apocalyptic number.

99685135 is a deficient number, since it is larger than the sum of its proper divisors (30811841).

99685135 is a wasteful number, since it uses less digits than its factorization.

99685135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812473.

The product of its digits is 291600, while the sum is 46.

The square root of 99685135 is about 9984.2443379557. The cubic root of 99685135 is about 463.6712132123.

The spelling of 99685135 in words is "ninety-nine million, six hundred eighty-five thousand, one hundred thirty-five".