2140034042 has 8 divisors (see below), whose sum is σ = 3210645396. Its totient is φ = 1069818912.

The previous prime is 2140034041. The next prime is 2140034051. The reversal of 2140034042 is 2404300412.

It can be written as a sum of positive squares in 2 ways, for example, as 1669621321 + 470412721 = 40861^2 + 21689^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2140034041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85163 + ... + 107390.

Almost surely, 2^2140034042 is an apocalyptic number.

2140034042 is a deficient number, since it is larger than the sum of its proper divisors (1070611354).

2140034042 is a wasteful number, since it uses less digits than its factorization.

2140034042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198112.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2140034042 is about 46260.5019644188. The cubic root of 2140034042 is about 1288.6655756088.

Adding to 2140034042 its reverse (2404300412), we get a palindrome (4544334454).

The spelling of 2140034042 in words is "two billion, one hundred forty million, thirty-four thousand, forty-two".