2140005 has 32 divisors (see below), whose sum is σ = 3974400. Its totient is φ = 963072.

The previous prime is 2140003. The next prime is 2140007. The reversal of 2140005 is 5000412.

It is an interprime number because it is at equal distance from previous prime (2140003) and next prime (2140007).

It is not a de Polignac number, because 2140005 - 2¹ = 2140003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140001) 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, 9231 + ... + 9459.

It is an arithmetic number, because the mean of its divisors is an integer number (124200).

2^2140005 is an apocalyptic number.

It is an amenable number.

2140005 is a deficient number, since it is larger than the sum of its proper divisors (1834395).

2140005 is a wasteful number, since it uses less digits than its factorization.

2140005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 2140005 is about 1462.8755927966. The cubic root of 2140005 is about 128.8659746170.

Adding to 2140005 its reverse (5000412), we get a palindrome (7140417).

The spelling of 2140005 in words is "two million, one hundred forty thousand, five".