2135642 has 16 divisors (see below), whose sum is σ = 3540672. Its totient is φ = 960960.

The previous prime is 2135641. The next prime is 2135663. The reversal of 2135642 is 2465312.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (2135641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584 + ... + 2147.

It is an arithmetic number, because the mean of its divisors is an integer number (221292).

2^2135642 is an apocalyptic number.

2135642 is a deficient number, since it is larger than the sum of its proper divisors (1405030).

2135642 is a wasteful number, since it uses less digits than its factorization.

2135642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773.

The product of its digits is 1440, while the sum is 23.

The square root of 2135642 is about 1461.3835909849. The cubic root of 2135642 is about 128.7783385637.

The spelling of 2135642 in words is "two million, one hundred thirty-five thousand, six hundred forty-two".