2140140142 has 16 divisors (see below), whose sum is σ = 3676176000. Its totient is φ = 915361848.

The previous prime is 2140140139. The next prime is 2140140161. The reversal of 2140140142 is 2410410412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146188 + ... + 160159.

It is an arithmetic number, because the mean of its divisors is an integer number (229761000).

Almost surely, 2^2140140142 is an apocalyptic number.

2140140142 is a deficient number, since it is larger than the sum of its proper divisors (1536035858).

2140140142 is a wasteful number, since it uses less digits than its factorization.

2140140142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306855.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2140140142 is about 46261.6487168367. The cubic root of 2140140142 is about 1288.6868720236.

Adding to 2140140142 its reverse (2410410412), we get a palindrome (4550550554).

The spelling of 2140140142 in words is "two billion, one hundred forty million, one hundred forty thousand, one hundred forty-two".