509134 has 8 divisors (see below), whose sum is σ = 768240. Its totient is φ = 253056.

The previous prime is 509123. The next prime is 509137. The reversal of 509134 is 431905.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274 + ... + 1045.

It is an arithmetic number, because the mean of its divisors is an integer number (96030).

2⁵⁰⁹¹³⁴ is an apocalyptic number.

509134 is a deficient number, since it is larger than the sum of its proper divisors (259106).

509134 is a wasteful number, since it uses less digits than its factorization.

509134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 509134 is about 713.5362639698. The cubic root of 509134 is about 79.8504497750.

The spelling of 509134 in words is "five hundred nine thousand, one hundred thirty-four".