133661476826504 has 64 divisors (see below), whose sum is σ = 289234039680000. Its totient is φ = 57268339571520.

The previous prime is 133661476826503. The next prime is 133661476826513. The reversal of 133661476826504 is 405628674166331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (133661476826503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200524244 + ... + 201189699.

It is an arithmetic number, because the mean of its divisors is an integer number (4519281870000).

Almost surely, 2^{133661476826504} is an apocalyptic number.

It is an amenable number.

133661476826504 is an abundant number, since it is smaller than the sum of its proper divisors (155572562853496).

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

133661476826504 is a wasteful number, since it uses less digits than its factorization.

133661476826504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401714178 (or 401714174 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 62.

The spelling of 133661476826504 in words is "one hundred thirty-three trillion, six hundred sixty-one billion, four hundred seventy-six million, eight hundred twenty-six thousand, five hundred four".