2140142 has 8 divisors (see below), whose sum is σ = 3321000. Its totient is φ = 1033144.

The previous prime is 2140139. The next prime is 2140157. The reversal of 2140142 is 2410412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18392 + ... + 18507.

It is an arithmetic number, because the mean of its divisors is an integer number (415125).

2^2140142 is an apocalyptic number.

2140142 is a deficient number, since it is larger than the sum of its proper divisors (1180858).

2140142 is a wasteful number, since it uses less digits than its factorization.

2140142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36930.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2140142 is about 1462.9224176285. The cubic root of 2140142 is about 128.8687244956.

Adding to 2140142 its reverse (2410412), we get a palindrome (4550554).

The spelling of 2140142 in words is "two million, one hundred forty thousand, one hundred forty-two".