2040142 has 8 divisors (see below), whose sum is σ = 3295656. Its totient is φ = 941592.

The previous prime is 2040133. The next prime is 2040149. The reversal of 2040142 is 2410402.

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

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39208 + ... + 39259.

It is an arithmetic number, because the mean of its divisors is an integer number (411957).

2^2040142 is an apocalyptic number.

2040142 is a deficient number, since it is larger than the sum of its proper divisors (1255514).

2040142 is a wasteful number, since it uses less digits than its factorization.

2040142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78482.

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

The square root of 2040142 is about 1428.3353947865. The cubic root of 2040142 is about 126.8294567461.

Adding to 2040142 its reverse (2410402), we get a palindrome (4450544).

The spelling of 2040142 in words is "two million, forty thousand, one hundred forty-two".