680603135 has 4 divisors (see below), whose sum is σ = 816723768. Its totient is φ = 544482504.

The previous prime is 680603107. The next prime is 680603141. The reversal of 680603135 is 531306086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 680603135 - 2¹² = 680599039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68060309 + ... + 68060318.

It is an arithmetic number, because the mean of its divisors is an integer number (204180942).

Almost surely, 2^680603135 is an apocalyptic number.

680603135 is a deficient number, since it is larger than the sum of its proper divisors (136120633).

680603135 is a wasteful number, since it uses less digits than its factorization.

680603135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136120632.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 680603135 is about 26088.3716433203. The cubic root of 680603135 is about 879.6258460208.

The spelling of 680603135 in words is "six hundred eighty million, six hundred three thousand, one hundred thirty-five".