134009 has 4 divisors (see below), whose sum is σ = 138660. Its totient is φ = 129360.

The previous prime is 133999. The next prime is 134033. The reversal of 134009 is 900431.

134009 = T₆ + T₇ + ... + T₉₂.

134009 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.

It can be written as a sum of positive squares in 2 ways, for example, as 60025 + 73984 = 245^2 + 272^2 .

It is a cyclic number.

It is not a de Polignac number, because 134009 - 2⁴ = 133993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134039) 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, 2282 + ... + 2339.

It is an arithmetic number, because the mean of its divisors is an integer number (34665).

2¹³⁴⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

134009 is a deficient number, since it is larger than the sum of its proper divisors (4651).

134009 is an equidigital number, since it uses as much as digits as its factorization.

134009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 134009 is about 366.0723972113. The cubic root of 134009 is about 51.1734450920.

The spelling of 134009 in words is "one hundred thirty-four thousand, nine".