2135185 has 16 divisors (see below), whose sum is σ = 2794176. Its totient is φ = 1556928.

The previous prime is 2135173. The next prime is 2135191. The reversal of 2135185 is 5815312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2135185 - 2⁵ = 2135153 is a prime.

It is a Duffinian number.

2135185 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6802 + ... + 7108.

It is an arithmetic number, because the mean of its divisors is an integer number (174636).

2^2135185 is an apocalyptic number.

It is an amenable number.

2135185 is a deficient number, since it is larger than the sum of its proper divisors (658991).

2135185 is a wasteful number, since it uses less digits than its factorization.

2135185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its digits is 1200, while the sum is 25.

The square root of 2135185 is about 1461.2272239457. The cubic root of 2135185 is about 128.7691522707.

The spelling of 2135185 in words is "two million, one hundred thirty-five thousand, one hundred eighty-five".