135318579 has 16 divisors (see below), whose sum is σ = 197043840. Its totient is φ = 81920960.

The previous prime is 135318577. The next prime is 135318613. The reversal of 135318579 is 975813531.

It is not a de Polignac number, because 135318579 - 2¹ = 135318577 is a prime.

It is a super-3 number, since 3×135318579³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 135318579.

It is not an unprimeable number, because it can be changed into a prime (135318571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39919 + ... + 43175.

It is an arithmetic number, because the mean of its divisors is an integer number (12315240).

Almost surely, 2^135318579 is an apocalyptic number.

135318579 is a deficient number, since it is larger than the sum of its proper divisors (61725261).

135318579 is a wasteful number, since it uses less digits than its factorization.

135318579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4530.

The product of its digits is 113400, while the sum is 42.

The square root of 135318579 is about 11632.6514174542. The cubic root of 135318579 is about 513.3959947214.

The spelling of 135318579 in words is "one hundred thirty-five million, three hundred eighteen thousand, five hundred seventy-nine".