133503375893 has 2 divisors, whose sum is σ = 133503375894. Its totient is φ = 133503375892.

The previous prime is 133503375883. The next prime is 133503375899. The reversal of 133503375893 is 398573305331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114053447524 + 19449928369 = 337718^2 + 139463^2 .

It is a cyclic number.

It is not a de Polignac number, because 133503375893 - 2¹⁶ = 133503310357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133503375899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66751687946 + 66751687947.

It is an arithmetic number, because the mean of its divisors is an integer number (66751687947).

Almost surely, 2^133503375893 is an apocalyptic number.

It is an amenable number.

133503375893 is a deficient number, since it is larger than the sum of its proper divisors (1).

133503375893 is an equidigital number, since it uses as much as digits as its factorization.

133503375893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3061800, while the sum is 50.

The spelling of 133503375893 in words is "one hundred thirty-three billion, five hundred three million, three hundred seventy-five thousand, eight hundred ninety-three".