133203894533 has 2 divisors, whose sum is σ = 133203894534. Its totient is φ = 133203894532.

The previous prime is 133203894413. The next prime is 133203894559. The reversal of 133203894533 is 335498302331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129411428644 + 3792465889 = 359738^2 + 61583^2 .

It is a cyclic number.

It is not a de Polignac number, because 133203894533 - 2¹⁶ = 133203828997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133203894133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66601947266 + 66601947267.

It is an arithmetic number, because the mean of its divisors is an integer number (66601947267).

Almost surely, 2^133203894533 is an apocalyptic number.

It is an amenable number.

133203894533 is a deficient number, since it is larger than the sum of its proper divisors (1).

133203894533 is an equidigital number, since it uses as much as digits as its factorization.

133203894533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 44.

The spelling of 133203894533 in words is "one hundred thirty-three billion, two hundred three million, eight hundred ninety-four thousand, five hundred thirty-three".