133141366577 has 2 divisors, whose sum is σ = 133141366578. Its totient is φ = 133141366576.

The previous prime is 133141366511. The next prime is 133141366591. The reversal of 133141366577 is 775663141331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72068623936 + 61072742641 = 268456^2 + 247129^2 .

It is a cyclic number.

It is not a de Polignac number, because 133141366577 - 2¹² = 133141362481 is a prime.

It is not a weakly prime, because it can be changed into another prime (133141366597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66570683288 + 66570683289.

It is an arithmetic number, because the mean of its divisors is an integer number (66570683289).

Almost surely, 2^133141366577 is an apocalyptic number.

It is an amenable number.

133141366577 is a deficient number, since it is larger than the sum of its proper divisors (1).

133141366577 is an equidigital number, since it uses as much as digits as its factorization.

133141366577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 47.

The spelling of 133141366577 in words is "one hundred thirty-three billion, one hundred forty-one million, three hundred sixty-six thousand, five hundred seventy-seven".