1366844836 has 36 divisors (see below), whose sum is σ = 2758817152. Its totient is φ = 580454784.

The previous prime is 1366844797. The next prime is 1366844867. The reversal of 1366844836 is 6384486631.

It is a self number, because there is not a number n which added to its sum of digits gives 1366844836.

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, 355621 + ... + 359443.

Almost surely, 2^1366844836 is an apocalyptic number.

It is an amenable number.

1366844836 is an abundant number, since it is smaller than the sum of its proper divisors (1391972316).

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

1366844836 is a wasteful number, since it uses less digits than its factorization.

1366844836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060 (or 3945 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 49.

The square root of 1366844836 is about 36970.8646909969. The cubic root of 1366844836 is about 1109.7872697869.

The spelling of 1366844836 in words is "one billion, three hundred sixty-six million, eight hundred forty-four thousand, eight hundred thirty-six".