133427990609552 has 80 divisors (see below), whose sum is σ = 274970959303680. Its totient is φ = 62580971920896.

The previous prime is 133427990609519. The next prime is 133427990609561. The reversal of 133427990609552 is 255906099724331.

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 15 ways as a sum of consecutive naturals, for example, 41495474 + ... + 44595182.

It is an arithmetic number, because the mean of its divisors is an integer number (3437136991296).

Almost surely, 2^{133427990609552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133427990609552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137485479651840).

133427990609552 is an abundant number, since it is smaller than the sum of its proper divisors (141542968694128).

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

133427990609552 is a wasteful number, since it uses less digits than its factorization.

133427990609552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102000 (or 3101994 counting only the distinct ones).

The product of its (nonzero) digits is 110224800, while the sum is 65.

The spelling of 133427990609552 in words is "one hundred thirty-three trillion, four hundred twenty-seven billion, nine hundred ninety million, six hundred nine thousand, five hundred fifty-two".