1340346803 has 2 divisors, whose sum is σ = 1340346804. Its totient is φ = 1340346802.

The previous prime is 1340346797. The next prime is 1340346817. The reversal of 1340346803 is 3086430431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1340346803 - 2⁶ = 1340346739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1340346803.

It is not a weakly prime, because it can be changed into another prime (1340346863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670173401 + 670173402.

It is an arithmetic number, because the mean of its divisors is an integer number (670173402).

Almost surely, 2^1340346803 is an apocalyptic number.

1340346803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340346803 is an equidigital number, since it uses as much as digits as its factorization.

1340346803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 1340346803 is about 36610.7470969933. The cubic root of 1340346803 is about 1102.5688729999.

It can be divided in two parts, 13403 and 46803, that added together give a palindrome (60206).

The spelling of 1340346803 in words is "one billion, three hundred forty million, three hundred forty-six thousand, eight hundred three".