133636382618 has 16 divisors (see below), whose sum is σ = 211427700000. Its totient is φ = 63174578832.

The previous prime is 133636382609. The next prime is 133636382623. The reversal of 133636382618 is 816283636331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3504833 + ... + 3542756.

It is an arithmetic number, because the mean of its divisors is an integer number (13214231250).

Almost surely, 2^133636382618 is an apocalyptic number.

133636382618 is a deficient number, since it is larger than the sum of its proper divisors (77791317382).

133636382618 is a wasteful number, since it uses less digits than its factorization.

133636382618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7048109.

The product of its digits is 2239488, while the sum is 50.

The spelling of 133636382618 in words is "one hundred thirty-three billion, six hundred thirty-six million, three hundred eighty-two thousand, six hundred eighteen".