133645172122303 has 2 divisors, whose sum is σ = 133645172122304. Its totient is φ = 133645172122302.

The previous prime is 133645172122283. The next prime is 133645172122333. The reversal of 133645172122303 is 303221271546331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133645172122303 - 2⁵ = 133645172122271 is a prime.

It is a super-2 number, since 2×133645172122303² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133645172122303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133645172122333) 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 as a sum of consecutive naturals, namely, 66822586061151 + 66822586061152.

It is an arithmetic number, because the mean of its divisors is an integer number (66822586061152).

Almost surely, 2^{133645172122303} is an apocalyptic number.

133645172122303 is a deficient number, since it is larger than the sum of its proper divisors (1).

133645172122303 is an equidigital number, since it uses as much as digits as its factorization.

133645172122303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 133645172122303 in words is "one hundred thirty-three trillion, six hundred forty-five billion, one hundred seventy-two million, one hundred twenty-two thousand, three hundred three".