134000309 has 8 divisors (see below), whose sum is σ = 135240000. Its totient is φ = 132764832.

The previous prime is 134000287. The next prime is 134000311. The reversal of 134000309 is 903000431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134000309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134000509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127217 + ... + 128265.

It is an arithmetic number, because the mean of its divisors is an integer number (16905000).

Almost surely, 2^134000309 is an apocalyptic number.

It is an amenable number.

134000309 is a deficient number, since it is larger than the sum of its proper divisors (1239691).

134000309 is a wasteful number, since it uses less digits than its factorization.

134000309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 134000309 is about 11575.8502495497. The cubic root of 134000309 is about 511.7233880302.

The spelling of 134000309 in words is "one hundred thirty-four million, three hundred nine", and thus it is an aban number.