680134682 has 8 divisors (see below), whose sum is σ = 1020591156. Its totient is φ = 339937632.

The previous prime is 680134667. The next prime is 680134687. The reversal of 680134682 is 286431086.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 665072521 + 15062161 = 25789^2 + 3881^2 .

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

It is a super-2 number, since 2×680134682² = 925166371318482248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (680134687) 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, 58163 + ... + 68870.

Almost surely, 2^680134682 is an apocalyptic number.

680134682 is a deficient number, since it is larger than the sum of its proper divisors (340456474).

680134682 is a wasteful number, since it uses less digits than its factorization.

680134682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129712.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 680134682 is about 26079.3919024198. The cubic root of 680134682 is about 879.4239868554.

The spelling of 680134682 in words is "six hundred eighty million, one hundred thirty-four thousand, six hundred eighty-two".