8135685 has 12 divisors (see below), whose sum is σ = 14101932. Its totient is φ = 4339008.

The previous prime is 8135641. The next prime is 8135713. The reversal of 8135685 is 5865318.

It can be written as a sum of positive squares in 2 ways, for example, as 2461761 + 5673924 = 1569^2 + 2382^2 .

It is not a de Polignac number, because 8135685 - 2⁸ = 8135429 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90352 + ... + 90441.

It is an arithmetic number, because the mean of its divisors is an integer number (1175161).

Almost surely, 2^8135685 is an apocalyptic number.

It is an amenable number.

8135685 is a deficient number, since it is larger than the sum of its proper divisors (5966247).

8135685 is a wasteful number, since it uses less digits than its factorization.

8135685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180804 (or 180801 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 8135685 is about 2852.3122199367. The cubic root of 8135685 is about 201.1243753878.

The spelling of 8135685 in words is "eight million, one hundred thirty-five thousand, six hundred eighty-five".