135517417 has 8 divisors (see below), whose sum is σ = 157416512. Its totient is φ = 114253200.

The previous prime is 135517379. The next prime is 135517429. The reversal of 135517417 is 714715531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 135517417 - 2¹⁹ = 134993129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135517477) 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, 158259 + ... + 159112.

It is an arithmetic number, because the mean of its divisors is an integer number (19677064).

Almost surely, 2^135517417 is an apocalyptic number.

It is an amenable number.

135517417 is a deficient number, since it is larger than the sum of its proper divisors (21899095).

135517417 is an equidigital number, since it uses as much as digits as its factorization.

135517417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317439.

The product of its digits is 14700, while the sum is 34.

The square root of 135517417 is about 11641.1948269926. The cubic root of 135517417 is about 513.6473341261.

The spelling of 135517417 in words is "one hundred thirty-five million, five hundred seventeen thousand, four hundred seventeen".