1340344103 has 8 divisors (see below), whose sum is σ = 1532958240. Its totient is φ = 1148014080.

The previous prime is 1340344097. The next prime is 1340344111. The reversal of 1340344103 is 3014430431.

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-1340344103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340344153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60818 + ... + 79871.

It is an arithmetic number, because the mean of its divisors is an integer number (191619780).

Almost surely, 2^1340344103 is an apocalyptic number.

1340344103 is a deficient number, since it is larger than the sum of its proper divisors (192614137).

1340344103 is a wasteful number, since it uses less digits than its factorization.

1340344103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142057.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1340344103 is about 36610.7102225565. The cubic root of 1340344103 is about 1102.5681326597.

Adding to 1340344103 its reverse (3014430431), we get a palindrome (4354774534).

The spelling of 1340344103 in words is "one billion, three hundred forty million, three hundred forty-four thousand, one hundred three".