682920136 has 16 divisors (see below), whose sum is σ = 1286070300. Its totient is φ = 339968064.

The previous prime is 682920131. The next prime is 682920151. The reversal of 682920136 is 631029286.

It can be written as a sum of positive squares in 2 ways, for example, as 680688100 + 2232036 = 26090^2 + 1494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 682920095 and 682920104.

It is not an unprimeable number, because it can be changed into a prime (682920131) 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, 184555 + ... + 188218.

Almost surely, 2^682920136 is an apocalyptic number.

It is an amenable number.

682920136 is a deficient number, since it is larger than the sum of its proper divisors (603150164).

682920136 is a wasteful number, since it uses less digits than its factorization.

682920136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373008 (or 373004 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 682920136 is about 26132.7406905590. The cubic root of 682920136 is about 880.6228957647.

The spelling of 682920136 in words is "six hundred eighty-two million, nine hundred twenty thousand, one hundred thirty-six".