133681608132 has 48 divisors (see below), whose sum is σ = 322658978880. Its totient is φ = 43044262272.

The previous prime is 133681608091. The next prime is 133681608133. The reversal of 133681608132 is 231806186331.

It is not an unprimeable number, because it can be changed into a prime (133681608133) 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 15 ways as a sum of consecutive naturals, for example, 1021323 + ... + 1144754.

It is an arithmetic number, because the mean of its divisors is an integer number (6722062060).

Almost surely, 2^133681608132 is an apocalyptic number.

133681608132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133681608132 is an abundant number, since it is smaller than the sum of its proper divisors (188977370748).

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

133681608132 is a wasteful number, since it uses less digits than its factorization.

133681608132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166260 (or 2166258 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 133681608132 in words is "one hundred thirty-three billion, six hundred eighty-one million, six hundred eight thousand, one hundred thirty-two".