133533550021345 has 16 divisors (see below), whose sum is σ = 160263924082560. Its totient is φ = 106811065027584.

The previous prime is 133533550021343. The next prime is 133533550021357. The reversal of 133533550021345 is 543120055335331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133533550021345 - 2¹ = 133533550021343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133533550021343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1468857382 + ... + 1468948288.

It is an arithmetic number, because the mean of its divisors is an integer number (10016495255160).

Almost surely, 2^{133533550021345} is an apocalyptic number.

It is an amenable number.

133533550021345 is a deficient number, since it is larger than the sum of its proper divisors (26730374061215).

133533550021345 is an equidigital number, since it uses as much as digits as its factorization.

133533550021345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131064.

The product of its (nonzero) digits is 1215000, while the sum is 43.

The spelling of 133533550021345 in words is "one hundred thirty-three trillion, five hundred thirty-three billion, five hundred fifty million, twenty-one thousand, three hundred forty-five".