1318560564 has 36 divisors (see below), whose sum is σ = 3162080544. Its totient is φ = 427635936.

The previous prime is 1318560559. The next prime is 1318560571. The reversal of 1318560564 is 4650658131.

1318560564 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23704 + ... + 56559.

Almost surely, 2^1318560564 is an apocalyptic number.

It is an amenable number.

1318560564 is an abundant number, since it is smaller than the sum of its proper divisors (1843519980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1318560564 is a wasteful number, since it uses less digits than its factorization.

1318560564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80344 (or 80305 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 1318560564 is about 36311.9892597473. The cubic root of 1318560564 is about 1096.5624266714.

The spelling of 1318560564 in words is "one billion, three hundred eighteen million, five hundred sixty thousand, five hundred sixty-four".