133631673712 has 20 divisors (see below), whose sum is σ = 267263348416. Its totient is φ = 64660487040.

The previous prime is 133631673691. The next prime is 133631673727. The reversal of 133631673712 is 217376136331.

133631673712 is an admirable number.

It is a congruent number.

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, 134708853 + ... + 134709844.

Almost surely, 2^133631673712 is an apocalyptic number.

It is an amenable number.

133631673712 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

133631673712 is a wasteful number, since it uses less digits than its factorization.

133631673712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269418736 (or 269418730 counting only the distinct ones).

The product of its digits is 285768, while the sum is 43.

The spelling of 133631673712 in words is "one hundred thirty-three billion, six hundred thirty-one million, six hundred seventy-three thousand, seven hundred twelve".