133481494933 has 2 divisors, whose sum is σ = 133481494934. Its totient is φ = 133481494932.

The previous prime is 133481494799. The next prime is 133481494943. The reversal of 133481494933 is 339494184331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119952780964 + 13528713969 = 346342^2 + 116313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133481494933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133481494943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66740747466 + 66740747467.

It is an arithmetic number, because the mean of its divisors is an integer number (66740747467).

Almost surely, 2^133481494933 is an apocalyptic number.

It is an amenable number.

133481494933 is a deficient number, since it is larger than the sum of its proper divisors (1).

133481494933 is an equidigital number, since it uses as much as digits as its factorization.

133481494933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 52.

The spelling of 133481494933 in words is "one hundred thirty-three billion, four hundred eighty-one million, four hundred ninety-four thousand, nine hundred thirty-three".