134813 has 4 divisors (see below), whose sum is σ = 154080. Its totient is φ = 115548.

The previous prime is 134807. The next prime is 134837. The reversal of 134813 is 318431.

It is a happy number.

134813 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134813 - 2¹⁴ = 118429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134873) 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, 9623 + ... + 9636.

It is an arithmetic number, because the mean of its divisors is an integer number (38520).

2¹³⁴⁸¹³ is an apocalyptic number.

It is an amenable number.

134813 is a deficient number, since it is larger than the sum of its proper divisors (19267).

134813 is an equidigital number, since it uses as much as digits as its factorization.

134813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19266.

The product of its digits is 288, while the sum is 20.

The square root of 134813 is about 367.1688984650. The cubic root of 134813 is about 51.2755811217.

The spelling of 134813 in words is "one hundred thirty-four thousand, eight hundred thirteen".