133501189 has 2 divisors, whose sum is σ = 133501190. Its totient is φ = 133501188.

The previous prime is 133501141. The next prime is 133501211. The reversal of 133501189 is 981105331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132020100 + 1481089 = 11490^2 + 1217^2 .

It is an emirp because it is prime and its reverse (981105331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133501189 - 2⁷ = 133501061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133501189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133501139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66750594 + 66750595.

It is an arithmetic number, because the mean of its divisors is an integer number (66750595).

Almost surely, 2^133501189 is an apocalyptic number.

It is an amenable number.

133501189 is a deficient number, since it is larger than the sum of its proper divisors (1).

133501189 is an equidigital number, since it uses as much as digits as its factorization.

133501189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 133501189 is about 11554.2714612389. The cubic root of 133501189 is about 511.0872473298.

The spelling of 133501189 in words is "one hundred thirty-three million, five hundred one thousand, one hundred eighty-nine".