133021033632257 has 2 divisors, whose sum is σ = 133021033632258. Its totient is φ = 133021033632256.

The previous prime is 133021033632239. The next prime is 133021033632299. The reversal of 133021033632257 is 752236330120331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114645331049536 + 18375702582721 = 10707256^2 + 4286689^2 .

It is a cyclic number.

It is not a de Polignac number, because 133021033632257 - 2⁸ = 133021033632001 is a prime.

It is not a weakly prime, because it can be changed into another prime (133021033632457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66510516816128 + 66510516816129.

It is an arithmetic number, because the mean of its divisors is an integer number (66510516816129).

Almost surely, 2^{133021033632257} is an apocalyptic number.

It is an amenable number.

133021033632257 is a deficient number, since it is larger than the sum of its proper divisors (1).

133021033632257 is an equidigital number, since it uses as much as digits as its factorization.

133021033632257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 41.

Adding to 133021033632257 its reverse (752236330120331), we get a palindrome (885257363752588).

The spelling of 133021033632257 in words is "one hundred thirty-three trillion, twenty-one billion, thirty-three million, six hundred thirty-two thousand, two hundred fifty-seven".