2940142 has 4 divisors (see below), whose sum is σ = 4410216. Its totient is φ = 1470070.

The previous prime is 2940127. The next prime is 2940163. The reversal of 2940142 is 2410492.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 735034 + ... + 735037.

It is an arithmetic number, because the mean of its divisors is an integer number (1102554).

2^2940142 is an apocalyptic number.

2940142 is a deficient number, since it is larger than the sum of its proper divisors (1470074).

2940142 is a wasteful number, since it uses less digits than its factorization.

2940142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470073.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2940142 is about 1714.6842274891. The cubic root of 2940142 is about 143.2592815008.

The spelling of 2940142 in words is "two million, nine hundred forty thousand, one hundred forty-two".