509179134 has 16 divisors (see below), whose sum is σ = 1021280400. Its totient is φ = 169239360.

The previous prime is 509179133. The next prime is 509179141. The reversal of 509179134 is 431971905.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 509179092 and 509179101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509179133) 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, 119487 + ... + 123674.

It is an arithmetic number, because the mean of its divisors is an integer number (63830025).

Almost surely, 2^509179134 is an apocalyptic number.

509179134 is an abundant number, since it is smaller than the sum of its proper divisors (512101266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

509179134 is a wasteful number, since it uses less digits than its factorization.

509179134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243515.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 509179134 is about 22564.9979836028. The cubic root of 509179134 is about 798.5280924795.

The spelling of 509179134 in words is "five hundred nine million, one hundred seventy-nine thousand, one hundred thirty-four".