133244920801 has 2 divisors, whose sum is σ = 133244920802. Its totient is φ = 133244920800.

The previous prime is 133244920799. The next prime is 133244920807. The reversal of 133244920801 is 108029442331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127646140176 + 5598780625 = 357276^2 + 74825^2 .

It is a cyclic number.

It is not a de Polignac number, because 133244920801 - 2¹ = 133244920799 is a prime.

Together with 133244920799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (133244920807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66622460400 + 66622460401.

It is an arithmetic number, because the mean of its divisors is an integer number (66622460401).

Almost surely, 2^133244920801 is an apocalyptic number.

It is an amenable number.

133244920801 is a deficient number, since it is larger than the sum of its proper divisors (1).

133244920801 is an equidigital number, since it uses as much as digits as its factorization.

133244920801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 133244920801 in words is "one hundred thirty-three billion, two hundred forty-four million, nine hundred twenty thousand, eight hundred one".