133566211555140 has 96 divisors (see below), whose sum is σ = 460289713685760. Its totient is φ = 28181002876416.

The previous prime is 133566211555103. The next prime is 133566211555193. The reversal of 133566211555140 is 41555112665331.

It is a self number, because there is not a number n which added to its sum of digits gives 133566211555140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12231332595 + ... + 12231343514.

It is an arithmetic number, because the mean of its divisors is an integer number (4794684517560).

Almost surely, 2^{133566211555140} is an apocalyptic number.

133566211555140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133566211555140 is an abundant number, since it is smaller than the sum of its proper divisors (326723502130620).

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

133566211555140 is a wasteful number, since it uses less digits than its factorization.

133566211555140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24462676141 (or 24462676139 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 48.

The spelling of 133566211555140 in words is "one hundred thirty-three trillion, five hundred sixty-six billion, two hundred eleven million, five hundred fifty-five thousand, one hundred forty".