1318985676 has 36 divisors (see below), whose sum is σ = 3388765744. Its totient is φ = 432453600.

The previous prime is 1318985671. The next prime is 1318985693. The reversal of 1318985676 is 6765898131.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1318985671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298120 + ... + 302511.

Almost surely, 2^1318985676 is an apocalyptic number.

It is an amenable number.

1318985676 is an abundant number, since it is smaller than the sum of its proper divisors (2069780068).

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

1318985676 is a wasteful number, since it uses less digits than its factorization.

1318985676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600702 (or 600697 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 1318985676 is about 36317.8423918602. The cubic root of 1318985676 is about 1096.6802601559.

The spelling of 1318985676 in words is "one billion, three hundred eighteen million, nine hundred eighty-five thousand, six hundred seventy-six".