135818617 has 16 divisors (see below), whose sum is σ = 152167680. Its totient is φ = 120182400.

The previous prime is 135818603. The next prime is 135818621. The reversal of 135818617 is 716818531.

It is a cyclic number.

It is not a de Polignac number, because 135818617 - 2¹⁵ = 135785849 is a prime.

It is a super-3 number, since 3×135818617³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135818617.

It is not an unprimeable number, because it can be changed into a prime (135818647) 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 15 ways as a sum of consecutive naturals, for example, 62367 + ... + 64507.

It is an arithmetic number, because the mean of its divisors is an integer number (9510480).

Almost surely, 2^135818617 is an apocalyptic number.

It is an amenable number.

135818617 is a deficient number, since it is larger than the sum of its proper divisors (16349063).

135818617 is a wasteful number, since it uses less digits than its factorization.

135818617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304.

The product of its digits is 40320, while the sum is 40.

The square root of 135818617 is about 11654.1244630388. The cubic root of 135818617 is about 514.0275954540.

The spelling of 135818617 in words is "one hundred thirty-five million, eight hundred eighteen thousand, six hundred seventeen".