509194234 has 8 divisors (see below), whose sum is σ = 808720308. Its totient is φ = 239620800.

The previous prime is 509194229. The next prime is 509194277. The reversal of 509194234 is 432491905.

It can be written as a sum of positive squares in 2 ways, for example, as 477553609 + 31640625 = 21853^2 + 5625^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 509194193 and 509194202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7488117 + ... + 7488184.

Almost surely, 2^509194234 is an apocalyptic number.

509194234 is a deficient number, since it is larger than the sum of its proper divisors (299526074).

509194234 is a wasteful number, since it uses less digits than its factorization.

509194234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14976320.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 509194234 is about 22565.3325701174. The cubic root of 509194234 is about 798.5359860048.

The spelling of 509194234 in words is "five hundred nine million, one hundred ninety-four thousand, two hundred thirty-four".