1313864347 has 2 divisors, whose sum is σ = 1313864348. Its totient is φ = 1313864346.

The previous prime is 1313864327. The next prime is 1313864381. The reversal of 1313864347 is 7434683131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313864347 - 2⁷ = 1313864219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313864327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656932173 + 656932174.

It is an arithmetic number, because the mean of its divisors is an integer number (656932174).

Almost surely, 2^1313864347 is an apocalyptic number.

1313864347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313864347 is an equidigital number, since it uses as much as digits as its factorization.

1313864347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The square root of 1313864347 is about 36247.2667521290. The cubic root of 1313864347 is about 1095.2590303427.

The spelling of 1313864347 in words is "one billion, three hundred thirteen million, eight hundred sixty-four thousand, three hundred forty-seven".