133205322401 has 2 divisors, whose sum is σ = 133205322402. Its totient is φ = 133205322400.

The previous prime is 133205322337. The next prime is 133205322409. The reversal of 133205322401 is 104223502331.

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., 132204232801 + 1001089600 = 363599^2 + 31640^2 .

It is a cyclic number.

It is not a de Polignac number, because 133205322401 - 2⁶ = 133205322337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (133205322409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66602661200 + 66602661201.

It is an arithmetic number, because the mean of its divisors is an integer number (66602661201).

Almost surely, 2^133205322401 is an apocalyptic number.

It is an amenable number.

133205322401 is a deficient number, since it is larger than the sum of its proper divisors (1).

133205322401 is an equidigital number, since it uses as much as digits as its factorization.

133205322401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 133205322401 its reverse (104223502331), we get a palindrome (237428824732).

The spelling of 133205322401 in words is "one hundred thirty-three billion, two hundred five million, three hundred twenty-two thousand, four hundred one".