2135505 has 32 divisors (see below), whose sum is σ = 3686400. Its totient is φ = 1052352.

The previous prime is 2135503. The next prime is 2135519. The reversal of 2135505 is 5055312.

It is not a de Polignac number, because 2135505 - 2¹ = 2135503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2135503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16752 + ... + 16878.

It is an arithmetic number, because the mean of its divisors is an integer number (115200).

2^2135505 is an apocalyptic number.

It is an amenable number.

2135505 is a deficient number, since it is larger than the sum of its proper divisors (1550895).

2135505 is a wasteful number, since it uses less digits than its factorization.

2135505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 2135505 is about 1461.3367168452. The cubic root of 2135505 is about 128.7755848235.

The spelling of 2135505 in words is "two million, one hundred thirty-five thousand, five hundred five".