680138230 has 16 divisors (see below), whose sum is σ = 1226053584. Its totient is φ = 271654240.

The previous prime is 680138219. The next prime is 680138237. The reversal of 680138230 is 32831086.

680138230 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 680138192 and 680138201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680138237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42961 + ... + 56620.

It is an arithmetic number, because the mean of its divisors is an integer number (76628349).

Almost surely, 2^680138230 is an apocalyptic number.

680138230 is a deficient number, since it is larger than the sum of its proper divisors (545915354).

680138230 is a wasteful number, since it uses less digits than its factorization.

680138230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100271.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 680138230 is about 26079.4599253896. The cubic root of 680138230 is about 879.4255160579.

The spelling of 680138230 in words is "six hundred eighty million, one hundred thirty-eight thousand, two hundred thirty".