133675187 has 2 divisors, whose sum is σ = 133675188. Its totient is φ = 133675186.

The previous prime is 133675177. The next prime is 133675237. The reversal of 133675187 is 781576331.

It is a weak prime.

It is an emirp because it is prime and its reverse (781576331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133675187 - 2¹⁴ = 133658803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133675177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66837593 + 66837594.

It is an arithmetic number, because the mean of its divisors is an integer number (66837594).

Almost surely, 2^133675187 is an apocalyptic number.

133675187 is a deficient number, since it is larger than the sum of its proper divisors (1).

133675187 is an equidigital number, since it uses as much as digits as its factorization.

133675187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 41.

The square root of 133675187 is about 11561.7986057533. The cubic root of 133675187 is about 511.3091918004.

The spelling of 133675187 in words is "one hundred thirty-three million, six hundred seventy-five thousand, one hundred eighty-seven".