1340346334 has 16 divisors (see below), whose sum is σ = 2180709216. Its totient is φ = 615366400.

The previous prime is 1340346289. The next prime is 1340346341. The reversal of 1340346334 is 4336430431.

It is a junction number, because it is equal to n+sod(n) for n = 1340346296 and 1340346305.

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 in 7 ways as a sum of consecutive naturals, for example, 479362 + ... + 482149.

It is an arithmetic number, because the mean of its divisors is an integer number (136294326).

Almost surely, 2^1340346334 is an apocalyptic number.

1340346334 is a deficient number, since it is larger than the sum of its proper divisors (840362882).

1340346334 is a wasteful number, since it uses less digits than its factorization.

1340346334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961571.

The product of its (nonzero) digits is 31104, while the sum is 31.

The square root of 1340346334 is about 36610.7406917697. The cubic root of 1340346334 is about 1102.5687444002.

Adding to 1340346334 its reverse (4336430431), we get a palindrome (5676776765).

The spelling of 1340346334 in words is "one billion, three hundred forty million, three hundred forty-six thousand, three hundred thirty-four".