135318959 has 8 divisors (see below), whose sum is σ = 146072160. Its totient is φ = 124971616.

The previous prime is 135318917. The next prime is 135318961. The reversal of 135318959 is 959813531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135318959 is a prime.

It is a super-2 number, since 2×135318959² = 36622441329687362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135318259) 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 in 7 ways as a sum of consecutive naturals, for example, 100772 + ... + 102105.

It is an arithmetic number, because the mean of its divisors is an integer number (18259020).

Almost surely, 2^135318959 is an apocalyptic number.

135318959 is a deficient number, since it is larger than the sum of its proper divisors (10753201).

135318959 is a wasteful number, since it uses less digits than its factorization.

135318959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202929.

The product of its digits is 145800, while the sum is 44.

The square root of 135318959 is about 11632.6677507784. The cubic root of 135318959 is about 513.3964752918.

The spelling of 135318959 in words is "one hundred thirty-five million, three hundred eighteen thousand, nine hundred fifty-nine".