133566440012 has 12 divisors (see below), whose sum is σ = 233778421800. Its totient is φ = 66772605216.

The previous prime is 133566439999. The next prime is 133566440041. The reversal of 133566440012 is 210044665331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2625353 + ... + 2675744.

It is an arithmetic number, because the mean of its divisors is an integer number (19481535150).

Almost surely, 2^133566440012 is an apocalyptic number.

It is an amenable number.

133566440012 is a deficient number, since it is larger than the sum of its proper divisors (100211981788).

133566440012 is a wasteful number, since it uses less digits than its factorization.

133566440012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5307400 (or 5307398 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 133566440012 in words is "one hundred thirty-three billion, five hundred sixty-six million, four hundred forty thousand, twelve".