1340285603 has 2 divisors, whose sum is σ = 1340285604. Its totient is φ = 1340285602.

The previous prime is 1340285599. The next prime is 1340285623. The reversal of 1340285603 is 3065820431.

It is a weak prime.

It is an emirp because it is prime and its reverse (3065820431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1340285603 - 2² = 1340285599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1340285603.

It is not a weakly prime, because it can be changed into another prime (1340285623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670142801 + 670142802.

It is an arithmetic number, because the mean of its divisors is an integer number (670142802).

Almost surely, 2^1340285603 is an apocalyptic number.

1340285603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340285603 is an equidigital number, since it uses as much as digits as its factorization.

1340285603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1340285603 is about 36609.9112673057. The cubic root of 1340285603 is about 1102.5520917107.

The spelling of 1340285603 in words is "one billion, three hundred forty million, two hundred eighty-five thousand, six hundred three".