133142221187 has 2 divisors, whose sum is σ = 133142221188. Its totient is φ = 133142221186.

The previous prime is 133142221169. The next prime is 133142221249. The reversal of 133142221187 is 781122241331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133142221187 - 2¹⁸ = 133141959043 is a prime.

It is not a weakly prime, because it can be changed into another prime (133142421187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66571110593 + 66571110594.

It is an arithmetic number, because the mean of its divisors is an integer number (66571110594).

Almost surely, 2^133142221187 is an apocalyptic number.

133142221187 is a deficient number, since it is larger than the sum of its proper divisors (1).

133142221187 is an equidigital number, since it uses as much as digits as its factorization.

133142221187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The spelling of 133142221187 in words is "one hundred thirty-three billion, one hundred forty-two million, two hundred twenty-one thousand, one hundred eighty-seven".