1340660683 has 2 divisors, whose sum is σ = 1340660684. Its totient is φ = 1340660682.

The previous prime is 1340660591. The next prime is 1340660707. The reversal of 1340660683 is 3860660431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1340660683 - 2¹³ = 1340652491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340660483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670330341 + 670330342.

It is an arithmetic number, because the mean of its divisors is an integer number (670330342).

Almost surely, 2^1340660683 is an apocalyptic number.

1340660683 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340660683 is an equidigital number, since it uses as much as digits as its factorization.

1340660683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 1340660683 is about 36615.0335654632. The cubic root of 1340660683 is about 1102.6549321468.

The spelling of 1340660683 in words is "one billion, three hundred forty million, six hundred sixty thousand, six hundred eighty-three".