133344018187 has 2 divisors, whose sum is σ = 133344018188. Its totient is φ = 133344018186.

The previous prime is 133344018179. The next prime is 133344018221. The reversal of 133344018187 is 781810443331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133344018187 - 2³ = 133344018179 is a prime.

It is not a weakly prime, because it can be changed into another prime (133344318187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66672009093 + 66672009094.

It is an arithmetic number, because the mean of its divisors is an integer number (66672009094).

Almost surely, 2^133344018187 is an apocalyptic number.

133344018187 is a deficient number, since it is larger than the sum of its proper divisors (1).

133344018187 is an equidigital number, since it uses as much as digits as its factorization.

133344018187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 133344018187 in words is "one hundred thirty-three billion, three hundred forty-four million, eighteen thousand, one hundred eighty-seven".