2142340034 has 32 divisors (see below), whose sum is σ = 3500276976. Its totient is φ = 979292160.

The previous prime is 2142340027. The next prime is 2142340043. The reversal of 2142340034 is 4300432412.

It can be written as a sum of positive squares in 8 ways, for example, as 1660318009 + 482022025 = 40747^2 + 21955^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2142339991 and 2142340009.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1107332 + ... + 1109264.

Almost surely, 2^2142340034 is an apocalyptic number.

2142340034 is a deficient number, since it is larger than the sum of its proper divisors (1357936942).

2142340034 is a wasteful number, since it uses less digits than its factorization.

2142340034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2142340034 is about 46285.4192375958. The cubic root of 2142340034 is about 1289.1282763137.

Adding to 2142340034 its reverse (4300432412), we get a palindrome (6442772446).

The spelling of 2142340034 in words is "two billion, one hundred forty-two million, three hundred forty thousand, thirty-four".