135359617 has 4 divisors (see below), whose sum is σ = 140027220. Its totient is φ = 130692016.

The previous prime is 135359597. The next prime is 135359641. The reversal of 135359617 is 716953531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112021056 + 23338561 = 10584^2 + 4831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135359617 is a prime.

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 135359617.

It is not an unprimeable number, because it can be changed into a prime (135359647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2333758 + ... + 2333815.

It is an arithmetic number, because the mean of its divisors is an integer number (35006805).

Almost surely, 2^135359617 is an apocalyptic number.

It is an amenable number.

135359617 is a deficient number, since it is larger than the sum of its proper divisors (4667603).

135359617 is an equidigital number, since it uses as much as digits as its factorization.

135359617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667602.

The product of its digits is 85050, while the sum is 40.

The square root of 135359617 is about 11634.4151980235. The cubic root of 135359617 is about 513.4478885941.

The spelling of 135359617 in words is "one hundred thirty-five million, three hundred fifty-nine thousand, six hundred seventeen".