1318605804 has 30 divisors (see below), whose sum is σ = 3447096884. Its totient is φ = 439535160.

The previous prime is 1318605787. The next prime is 1318605853. The reversal of 1318605804 is 4085068131.

1318605804 is a `hidden beast` number, since 1 + 3 + 18 + 60 + 580 + 4 = 666.

1318605804 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2034562 + ... + 2035209.

Almost surely, 2^1318605804 is an apocalyptic number.

It is an amenable number.

1318605804 is an abundant number, since it is smaller than the sum of its proper divisors (2128491080).

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

1318605804 is a wasteful number, since it uses less digits than its factorization.

1318605804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069787 (or 4069776 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1318605804 is about 36312.6121891554. The cubic root of 1318605804 is about 1096.5749675988.

The spelling of 1318605804 in words is "one billion, three hundred eighteen million, six hundred five thousand, eight hundred four".