2140574 has 4 divisors (see below), whose sum is σ = 3210864. Its totient is φ = 1070286.

The previous prime is 2140573. The next prime is 2140591. The reversal of 2140574 is 4750412.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535142 + ... + 535145.

It is an arithmetic number, because the mean of its divisors is an integer number (802716).

2^2140574 is an apocalyptic number.

2140574 is a deficient number, since it is larger than the sum of its proper divisors (1070290).

2140574 is a wasteful number, since it uses less digits than its factorization.

2140574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070289.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 2140574 is about 1463.0700598399. The cubic root of 2140574 is about 128.8773948772.

Adding to 2140574 its reverse (4750412), we get a palindrome (6890986).

The spelling of 2140574 in words is "two million, one hundred forty thousand, five hundred seventy-four".