135124559 has 2 divisors, whose sum is σ = 135124560. Its totient is φ = 135124558.

The previous prime is 135124547. The next prime is 135124597. The reversal of 135124559 is 955421531.

135124559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (955421531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135124559 - 2¹² = 135120463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135126559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67562279 + 67562280.

It is an arithmetic number, because the mean of its divisors is an integer number (67562280).

Almost surely, 2^135124559 is an apocalyptic number.

135124559 is a deficient number, since it is larger than the sum of its proper divisors (1).

135124559 is an equidigital number, since it uses as much as digits as its factorization.

135124559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 35.

The square root of 135124559 is about 11624.3089687086. The cubic root of 135124559 is about 513.1505080185.

The spelling of 135124559 in words is "one hundred thirty-five million, one hundred twenty-four thousand, five hundred fifty-nine".