133521337752 has 64 divisors (see below), whose sum is σ = 364181909760. Its totient is φ = 40457366400.

The previous prime is 133521337681. The next prime is 133521337759. The reversal of 133521337752 is 257733125331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133521337759) 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, 5040013 + ... + 5066435.

It is an arithmetic number, because the mean of its divisors is an integer number (5690342340).

Almost surely, 2^133521337752 is an apocalyptic number.

133521337752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133521337752 is an abundant number, since it is smaller than the sum of its proper divisors (230660572008).

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

133521337752 is a wasteful number, since it uses less digits than its factorization.

133521337752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45584 (or 45580 counting only the distinct ones).

The product of its digits is 396900, while the sum is 42.

The spelling of 133521337752 in words is "one hundred thirty-three billion, five hundred twenty-one million, three hundred thirty-seven thousand, seven hundred fifty-two".