2140034242 has 4 divisors (see below), whose sum is σ = 3210051366. Its totient is φ = 1070017120.

The previous prime is 2140034227. The next prime is 2140034249. The reversal of 2140034242 is 2424300412.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1985504481 + 154529761 = 44559^2 + 12431^2 .

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 not an unprimeable number, because it can be changed into a prime (2140034249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535008559 + ... + 535008562.

Almost surely, 2^2140034242 is an apocalyptic number.

2140034242 is a deficient number, since it is larger than the sum of its proper divisors (1070017124).

2140034242 is a wasteful number, since it uses less digits than its factorization.

2140034242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070017123.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2140034242 is about 46260.5041260901. The cubic root of 2140034242 is about 1288.6656157535.

Adding to 2140034242 its reverse (2424300412), we get a palindrome (4564334654).

The spelling of 2140034242 in words is "two billion, one hundred forty million, thirty-four thousand, two hundred forty-two".