133661476826512 has 40 divisors (see below), whose sum is σ = 264611354023800. Its totient is φ = 65381901911040.

The previous prime is 133661476826503. The next prime is 133661476826513. The reversal of 133661476826512 is 215628674166331.

It can be written as a sum of positive squares in 4 ways, for example, as 64803079601296 + 68858397225216 = 8050036^2 + 8298096^2 .

It is a super-2 number, since 2×133661476826512² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133661476826513) 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 7 ways as a sum of consecutive naturals, for example, 225520189 + ... + 226112092.

It is an arithmetic number, because the mean of its divisors is an integer number (6615283850595).

Almost surely, 2^{133661476826512} is an apocalyptic number.

It is an amenable number.

133661476826512 is a deficient number, since it is larger than the sum of its proper divisors (130949877197288).

133661476826512 is a wasteful number, since it uses less digits than its factorization.

133661476826512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451632691 (or 451632685 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 61.

The spelling of 133661476826512 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 twelve".