135965517 has 8 divisors (see below), whose sum is σ = 181559424. Its totient is φ = 90507648.

The previous prime is 135965461. The next prime is 135965551. The reversal of 135965517 is 715569531.

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

It is not a de Polignac number, because 135965517 - 2²³ = 127576909 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135965317) 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, 31653 + ... + 35690.

It is an arithmetic number, because the mean of its divisors is an integer number (22694928).

Almost surely, 2^135965517 is an apocalyptic number.

It is an amenable number.

135965517 is a deficient number, since it is larger than the sum of its proper divisors (45593907).

135965517 is an equidigital number, since it uses as much as digits as its factorization.

135965517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68019.

The product of its digits is 141750, while the sum is 42.

The square root of 135965517 is about 11660.4252495353. The cubic root of 135965517 is about 514.2128509758.

The spelling of 135965517 in words is "one hundred thirty-five million, nine hundred sixty-five thousand, five hundred seventeen".