2140442234 has 8 divisors (see below), whose sum is σ = 3669329568. Its totient is φ = 917332380.

The previous prime is 2140442203. The next prime is 2140442329. The reversal of 2140442234 is 4322440412.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76444352 + ... + 76444379.

It is an arithmetic number, because the mean of its divisors is an integer number (458666196).

Almost surely, 2^2140442234 is an apocalyptic number.

2140442234 is a deficient number, since it is larger than the sum of its proper divisors (1528887334).

2140442234 is a wasteful number, since it uses less digits than its factorization.

2140442234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152888740.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2140442234 is about 46264.9136387392. The cubic root of 2140442234 is about 1288.7475041400.

Adding to 2140442234 its reverse (4322440412), we get a palindrome (6462882646).

The spelling of 2140442234 in words is "two billion, one hundred forty million, four hundred forty-two thousand, two hundred thirty-four".