133681608084 has 12 divisors (see below), whose sum is σ = 311923752224. Its totient is φ = 44560536024.

The previous prime is 133681608083. The next prime is 133681608091. The reversal of 133681608084 is 480806186331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133681608083) by changing a digit.

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, 5570066992 + ... + 5570067015.

Almost surely, 2^133681608084 is an apocalyptic number.

It is an amenable number.

133681608084 is an abundant number, since it is smaller than the sum of its proper divisors (178242144140).

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

133681608084 is a wasteful number, since it uses less digits than its factorization.

133681608084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11140134014 (or 11140134012 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 133681608084 in words is "one hundred thirty-three billion, six hundred eighty-one million, six hundred eight thousand, eighty-four".