8135205 has 16 divisors (see below), whose sum is σ = 14017920. Its totient is φ = 4004928.

The previous prime is 8135203. The next prime is 8135221. The reversal of 8135205 is 5025318.

It is not a de Polignac number, because 8135205 - 2¹ = 8135203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8135201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20665 + ... + 21054.

It is an arithmetic number, because the mean of its divisors is an integer number (876120).

Almost surely, 2^8135205 is an apocalyptic number.

It is an amenable number.

8135205 is a deficient number, since it is larger than the sum of its proper divisors (5882715).

8135205 is a wasteful number, since it uses less digits than its factorization.

8135205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41740.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 8135205 is about 2852.2280764343. The cubic root of 8135205 is about 201.1204199086.

The spelling of 8135205 in words is "eight million, one hundred thirty-five thousand, two hundred five".