135417 has 4 divisors (see below), whose sum is σ = 180560. Its totient is φ = 90276.

The previous prime is 135409. The next prime is 135427. The reversal of 135417 is 714531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 135417 - 2³ = 135409 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135393 and 135402.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 135417.

It is not an unprimeable number, because it can be changed into a prime (135427) 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, 22567 + ... + 22572.

It is an arithmetic number, because the mean of its divisors is an integer number (45140).

2¹³⁵⁴¹⁷ is an apocalyptic number.

It is an amenable number.

135417 is a deficient number, since it is larger than the sum of its proper divisors (45143).

135417 is an equidigital number, since it uses as much as digits as its factorization.

135417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45142.

The product of its digits is 420, while the sum is 21.

The square root of 135417 is about 367.9904890075. The cubic root of 135417 is about 51.3520433662.

Adding to 135417 its reverse (714531), we get a palindrome (849948).

The spelling of 135417 in words is "one hundred thirty-five thousand, four hundred seventeen".