133228951633 has 2 divisors, whose sum is σ = 133228951634. Its totient is φ = 133228951632.

The previous prime is 133228951621. The next prime is 133228951651. The reversal of 133228951633 is 336159822331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131890269889 + 1338681744 = 363167^2 + 36588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133228951633 is a prime.

It is not a weakly prime, because it can be changed into another prime (133228951673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66614475816 + 66614475817.

It is an arithmetic number, because the mean of its divisors is an integer number (66614475817).

Almost surely, 2^133228951633 is an apocalyptic number.

It is an amenable number.

133228951633 is a deficient number, since it is larger than the sum of its proper divisors (1).

133228951633 is an equidigital number, since it uses as much as digits as its factorization.

133228951633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 46.

The spelling of 133228951633 in words is "one hundred thirty-three billion, two hundred twenty-eight million, nine hundred fifty-one thousand, six hundred thirty-three".