134765 has 4 divisors (see below), whose sum is σ = 161724. Its totient is φ = 107808.

The previous prime is 134753. The next prime is 134777. The reversal of 134765 is 567431.

134765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 567431 = 47 ⋅12073.

It is an interprime number because it is at equal distance from previous prime (134753) and next prime (134777).

It can be written as a sum of positive squares in 2 ways, for example, as 70756 + 64009 = 266^2 + 253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134765 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 134765.

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, 13472 + ... + 13481.

It is an arithmetic number, because the mean of its divisors is an integer number (40431).

2¹³⁴⁷⁶⁵ is an apocalyptic number.

It is an amenable number.

134765 is a deficient number, since it is larger than the sum of its proper divisors (26959).

134765 is an equidigital number, since it uses as much as digits as its factorization.

134765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26958.

The product of its digits is 2520, while the sum is 26.

The square root of 134765 is about 367.1035276322. The cubic root of 134765 is about 51.2694948638.

The spelling of 134765 in words is "one hundred thirty-four thousand, seven hundred sixty-five".