2134400342 has 4 divisors (see below), whose sum is σ = 3201600516. Its totient is φ = 1067200170.

The previous prime is 2134400339. The next prime is 2134400351. The reversal of 2134400342 is 2430044312.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 533600084 + ... + 533600087.

It is an arithmetic number, because the mean of its divisors is an integer number (800400129).

Almost surely, 2^2134400342 is an apocalyptic number.

2134400342 is a deficient number, since it is larger than the sum of its proper divisors (1067200174).

2134400342 is a wasteful number, since it uses less digits than its factorization.

2134400342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067200173.

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

The square root of 2134400342 is about 46199.5707988721. The cubic root of 2134400342 is about 1287.5337656900.

Adding to 2134400342 its reverse (2430044312), we get a palindrome (4564444654).

The spelling of 2134400342 in words is "two billion, one hundred thirty-four million, four hundred thousand, three hundred forty-two".