1340663313 has 32 divisors (see below), whose sum is σ = 2087539200. Its totient is φ = 756691200.

The previous prime is 1340663239. The next prime is 1340663329. The reversal of 1340663313 is 3133660431.

1340663313 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1340663313 - 2²⁴ = 1323886097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340663213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18873 + ... + 55113.

It is an arithmetic number, because the mean of its divisors is an integer number (65235600).

Almost surely, 2^1340663313 is an apocalyptic number.

It is an amenable number.

1340663313 is a deficient number, since it is larger than the sum of its proper divisors (746875887).

1340663313 is a wasteful number, since it uses less digits than its factorization.

1340663313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36333.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 1340663313 is about 36615.0694796555. The cubic root of 1340663313 is about 1102.6556531795.

The spelling of 1340663313 in words is "one billion, three hundred forty million, six hundred sixty-three thousand, three hundred thirteen".