1340334043 has 8 divisors (see below), whose sum is σ = 1493871120. Its totient is φ = 1195096320.

The previous prime is 1340334041. The next prime is 1340334059. The reversal of 1340334043 is 3404330431.

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

It is a cyclic number.

It is not a de Polignac number, because 1340334043 - 2¹ = 1340334041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1340333999 and 1340334017.

It is not an unprimeable number, because it can be changed into a prime (1340334041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2074498 + ... + 2075143.

It is an arithmetic number, because the mean of its divisors is an integer number (186733890).

Almost surely, 2^1340334043 is an apocalyptic number.

1340334043 is a deficient number, since it is larger than the sum of its proper divisors (153537077).

1340334043 is a wasteful number, since it uses less digits than its factorization.

1340334043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149677.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 1340334043 is about 36610.5728308094. The cubic root of 1340334043 is about 1102.5653741981.

Adding to 1340334043 its reverse (3404330431), we get a palindrome (4744664474).

The spelling of 1340334043 in words is "one billion, three hundred forty million, three hundred thirty-four thousand, forty-three".