2140343234 has 8 divisors (see below), whose sum is σ = 3263146428. Its totient is φ = 1052627760.

The previous prime is 2140343171. The next prime is 2140343237. The reversal of 2140343234 is 4323430412.

It can be written as a sum of positive squares in 2 ways, for example, as 1772662609 + 367680625 = 42103^2 + 19175^2 .

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 (2140343237) 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 in 3 ways as a sum of consecutive naturals, for example, 8771777 + ... + 8772020.

Almost surely, 2^2140343234 is an apocalyptic number.

2140343234 is a deficient number, since it is larger than the sum of its proper divisors (1122803194).

2140343234 is a wasteful number, since it uses less digits than its factorization.

2140343234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17543860.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 2140343234 is about 46263.8437011021. The cubic root of 2140343234 is about 1288.7276347305.

Adding to 2140343234 its reverse (4323430412), we get a palindrome (6463773646).

The spelling of 2140343234 in words is "two billion, one hundred forty million, three hundred forty-three thousand, two hundred thirty-four".