1363681386 has 32 divisors (see below), whose sum is σ = 3036787200. Its totient is φ = 453602880.

The previous prime is 1363681379. The next prime is 1363681411. The reversal of 1363681386 is 6831863631.

1363681386 is a `hidden beast` number, since 1 + 3 + 636 + 8 + 1 + 3 + 8 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495 + ... + 52226.

It is an arithmetic number, because the mean of its divisors is an integer number (94899600).

Almost surely, 2^1363681386 is an apocalyptic number.

1363681386 is an abundant number, since it is smaller than the sum of its proper divisors (1673105814).

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

1363681386 is a wasteful number, since it uses less digits than its factorization.

1363681386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53211 (or 53205 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 1363681386 is about 36928.0568944536. The cubic root of 1363681386 is about 1108.9304379587.

The spelling of 1363681386 in words is "one billion, three hundred sixty-three million, six hundred eighty-one thousand, three hundred eighty-six".