133245240097 has 2 divisors, whose sum is σ = 133245240098. Its totient is φ = 133245240096.

The previous prime is 133245240091. The next prime is 133245240169. The reversal of 133245240097 is 790042542331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133049128081 + 196112016 = 364759^2 + 14004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133245240097 is a prime.

It is not a weakly prime, because it can be changed into another prime (133245240091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66622620048 + 66622620049.

It is an arithmetic number, because the mean of its divisors is an integer number (66622620049).

Almost surely, 2^133245240097 is an apocalyptic number.

It is an amenable number.

133245240097 is a deficient number, since it is larger than the sum of its proper divisors (1).

133245240097 is an equidigital number, since it uses as much as digits as its factorization.

133245240097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 133245240097 in words is "one hundred thirty-three billion, two hundred forty-five million, two hundred forty thousand, ninety-seven".