133550159 has 2 divisors, whose sum is σ = 133550160. Its totient is φ = 133550158.

The previous prime is 133550149. The next prime is 133550233. The reversal of 133550159 is 951055331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133550159 - 2⁴ = 133550143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133550119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66775079 + 66775080.

It is an arithmetic number, because the mean of its divisors is an integer number (66775080).

Almost surely, 2^133550159 is an apocalyptic number.

133550159 is a deficient number, since it is larger than the sum of its proper divisors (1).

133550159 is an equidigital number, since it uses as much as digits as its factorization.

133550159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10125, while the sum is 32.

The square root of 133550159 is about 11556.3903966593. The cubic root of 133550159 is about 511.1497308755.

The spelling of 133550159 in words is "one hundred thirty-three million, five hundred fifty thousand, one hundred fifty-nine".