1340332043 has 8 divisors (see below), whose sum is σ = 1349697600. Its totient is φ = 1330999488.

The previous prime is 1340332031. The next prime is 1340332051. The reversal of 1340332043 is 3402330431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340332043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340332013) 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 7 ways as a sum of consecutive naturals, for example, 76238 + ... + 92156.

It is an arithmetic number, because the mean of its divisors is an integer number (168712200).

Almost surely, 2^1340332043 is an apocalyptic number.

1340332043 is a deficient number, since it is larger than the sum of its proper divisors (9365557).

1340332043 is a wasteful number, since it uses less digits than its factorization.

1340332043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16501.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 1340332043 is about 36610.5455162853. The cubic root of 1340332043 is about 1102.5648257946.

Adding to 1340332043 its reverse (3402330431), we get a palindrome (4742662474).

The spelling of 1340332043 in words is "one billion, three hundred forty million, three hundred thirty-two thousand, forty-three".