133559 has 2 divisors, whose sum is σ = 133560. Its totient is φ = 133558.

The previous prime is 133543. The next prime is 133571. The reversal of 133559 is 955331.

133559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133559 - 2⁴ = 133543 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66779 + 66780.

It is an arithmetic number, because the mean of its divisors is an integer number (66780).

2¹³³⁵⁵⁹ is an apocalyptic number.

133559 is a deficient number, since it is larger than the sum of its proper divisors (1).

133559 is an equidigital number, since it uses as much as digits as its factorization.

133559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2025, while the sum is 26.

The square root of 133559 is about 365.4572478417. The cubic root of 133559 is about 51.1161009971.

It can be divided in two parts, 133 and 559, that multiplied together give a palindrome (74347).

The spelling of 133559 in words is "one hundred thirty-three thousand, five hundred fifty-nine".