133346668253 has 2 divisors, whose sum is σ = 133346668254. Its totient is φ = 133346668252.

The previous prime is 133346668139. The next prime is 133346668303. The reversal of 133346668253 is 352866643331.

It is an a-pointer prime, because the next prime (133346668303) can be obtained adding 133346668253 to its sum of digits (50).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131063548729 + 2283119524 = 362027^2 + 47782^2 .

It is a cyclic number.

It is not a de Polignac number, because 133346668253 - 2⁸ = 133346667997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133346668453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66673334126 + 66673334127.

It is an arithmetic number, because the mean of its divisors is an integer number (66673334127).

Almost surely, 2^133346668253 is an apocalyptic number.

It is an amenable number.

133346668253 is a deficient number, since it is larger than the sum of its proper divisors (1).

133346668253 is an equidigital number, since it uses as much as digits as its factorization.

133346668253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 50.

The spelling of 133346668253 in words is "one hundred thirty-three billion, three hundred forty-six million, six hundred sixty-eight thousand, two hundred fifty-three".