134899 has 4 divisors (see below), whose sum is σ = 135664. Its totient is φ = 134136.

The previous prime is 134887. The next prime is 134909. The reversal of 134899 is 998431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 134899 - 2⁵ = 134867 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (134839) 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, 34 + ... + 520.

It is an arithmetic number, because the mean of its divisors is an integer number (33916).

2¹³⁴⁸⁹⁹ is an apocalyptic number.

134899 is a deficient number, since it is larger than the sum of its proper divisors (765).

134899 is an equidigital number, since it uses as much as digits as its factorization.

134899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its digits is 7776, while the sum is 34.

The square root of 134899 is about 367.2859921097. The cubic root of 134899 is about 51.2864820552.

The spelling of 134899 in words is "one hundred thirty-four thousand, eight hundred ninety-nine".