134465 has 4 divisors (see below), whose sum is σ = 161364. Its totient is φ = 107568.

The previous prime is 134443. The next prime is 134471. The reversal of 134465 is 564431.

Added to its reverse (564431) it gives a square (698896 = 836²).

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 94864 + 39601 = 308^2 + 199^2 .

It is a cyclic number.

It is not a de Polignac number, because 134465 - 2⁶ = 134401 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 134465.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13442 + ... + 13451.

It is an arithmetic number, because the mean of its divisors is an integer number (40341).

134465 is a Friedman number, since it can be written as 6+14^5/4+3, using all its digits and the basic arithmetic operations.

2¹³⁴⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

134465 is a deficient number, since it is larger than the sum of its proper divisors (26899).

134465 is an equidigital number, since it uses as much as digits as its factorization.

134465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26898.

The product of its digits is 1440, while the sum is 23.

The square root of 134465 is about 366.6946958984. The cubic root of 134465 is about 51.2314229716.

Adding to 134465 its reverse (564431), we get a palindrome (698896).

The spelling of 134465 in words is "one hundred thirty-four thousand, four hundred sixty-five".