135305179 has 2 divisors, whose sum is σ = 135305180. Its totient is φ = 135305178.

The previous prime is 135305171. The next prime is 135305201. The reversal of 135305179 is 971503531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135305179 - 2³ = 135305171 is a prime.

It is not a weakly prime, because it can be changed into another prime (135305171) 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, 67652589 + 67652590.

It is an arithmetic number, because the mean of its divisors is an integer number (67652590).

Almost surely, 2^135305179 is an apocalyptic number.

135305179 is a deficient number, since it is larger than the sum of its proper divisors (1).

135305179 is an equidigital number, since it uses as much as digits as its factorization.

135305179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14175, while the sum is 34.

The square root of 135305179 is about 11632.0754382010. The cubic root of 135305179 is about 513.3790477176.

The spelling of 135305179 in words is "one hundred thirty-five million, three hundred five thousand, one hundred seventy-nine".