680270139 has 24 divisors (see below), whose sum is σ = 1017853200. Its totient is φ = 437290560.

The previous prime is 680270117. The next prime is 680270153. The reversal of 680270139 is 931072086.

It is not a de Polignac number, because 680270139 - 2¹² = 680266043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (680270159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283557 + ... + 285945.

It is an arithmetic number, because the mean of its divisors is an integer number (42410550).

Almost surely, 2^680270139 is an apocalyptic number.

680270139 is a deficient number, since it is larger than the sum of its proper divisors (337583061).

680270139 is a wasteful number, since it uses less digits than its factorization.

680270139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515 (or 3512 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 680270139 is about 26081.9887853668. The cubic root of 680270139 is about 879.4823656004.

The spelling of 680270139 in words is "six hundred eighty million, two hundred seventy thousand, one hundred thirty-nine".