1356313563 has 36 divisors (see below), whose sum is σ = 2169369384. Its totient is φ = 815918400.

The previous prime is 1356313531. The next prime is 1356313571. The reversal of 1356313563 is 3653136531.

1356313563 is a `hidden beast` number, since 1 + 3 + 563 + 1 + 35 + 63 = 666.

It is not a de Polignac number, because 1356313563 - 2⁵ = 1356313531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356313583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 144648 + ... + 153738.

Almost surely, 2^1356313563 is an apocalyptic number.

1356313563 is a deficient number, since it is larger than the sum of its proper divisors (813055821).

1356313563 is a wasteful number, since it uses less digits than its factorization.

1356313563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9256 (or 9242 counting only the distinct ones).

The product of its digits is 72900, while the sum is 36.

The square root of 1356313563 is about 36828.1626340495. The cubic root of 1356313563 is about 1106.9296866105.

The spelling of 1356313563 in words is "one billion, three hundred fifty-six million, three hundred thirteen thousand, five hundred sixty-three".