133013189 has 2 divisors, whose sum is σ = 133013190. Its totient is φ = 133013188.

The previous prime is 133013171. The next prime is 133013191. The reversal of 133013189 is 981310331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126382564 + 6630625 = 11242^2 + 2575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133013189 is a prime.

Together with 133013191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133013119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66506594 + 66506595.

It is an arithmetic number, because the mean of its divisors is an integer number (66506595).

Almost surely, 2^133013189 is an apocalyptic number.

It is an amenable number.

133013189 is a deficient number, since it is larger than the sum of its proper divisors (1).

133013189 is an equidigital number, since it uses as much as digits as its factorization.

133013189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 133013189 is about 11533.1343961648. The cubic root of 133013189 is about 510.4637445342.

The spelling of 133013189 in words is "one hundred thirty-three million, thirteen thousand, one hundred eighty-nine".