2140402 has 32 divisors (see below), whose sum is σ = 3810240. Its totient is φ = 890880.

The previous prime is 2140399. The next prime is 2140421. The reversal of 2140402 is 2040412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22018 + ... + 22114.

It is an arithmetic number, because the mean of its divisors is an integer number (119070).

2^2140402 is an apocalyptic number.

2140402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2140402 is a deficient number, since it is larger than the sum of its proper divisors (1669838).

2140402 is a wasteful number, since it uses less digits than its factorization.

2140402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2140402 is about 1463.0112781520. The cubic root of 2140402 is about 128.8739429206.

Adding to 2140402 its reverse (2040412), we get a palindrome (4180814).

The spelling of 2140402 in words is "two million, one hundred forty thousand, four hundred two".