2140507 has 4 divisors (see below), whose sum is σ = 2143440. Its totient is φ = 2137576.

The previous prime is 2140477. The next prime is 2140513. The reversal of 2140507 is 7050412.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2140507 - 2¹⁵ = 2107739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594 + ... + 2152.

It is an arithmetic number, because the mean of its divisors is an integer number (535860).

2^2140507 is an apocalyptic number.

2140507 is a deficient number, since it is larger than the sum of its proper divisors (2933).

2140507 is a wasteful number, since it uses less digits than its factorization.

2140507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2140507 is about 1463.0471626028. The cubic root of 2140507 is about 128.8760502416.

Adding to 2140507 its reverse (7050412), we get a palindrome (9190919).

The spelling of 2140507 in words is "two million, one hundred forty thousand, five hundred seven".