133357146661 has 2 divisors, whose sum is σ = 133357146662. Its totient is φ = 133357146660.

The previous prime is 133357146619. The next prime is 133357146701. The reversal of 133357146661 is 166641753331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91079618436 + 42277528225 = 301794^2 + 205615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133357146661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133357141661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66678573330 + 66678573331.

It is an arithmetic number, because the mean of its divisors is an integer number (66678573331).

Almost surely, 2^133357146661 is an apocalyptic number.

It is an amenable number.

133357146661 is a deficient number, since it is larger than the sum of its proper divisors (1).

133357146661 is an equidigital number, since it uses as much as digits as its factorization.

133357146661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 46.

Adding to 133357146661 its reverse (166641753331), we get a palindrome (299998899992).

The spelling of 133357146661 in words is "one hundred thirty-three billion, three hundred fifty-seven million, one hundred forty-six thousand, six hundred sixty-one".