680133680134 has 4 divisors (see below), whose sum is σ = 1020200520204. Its totient is φ = 340066840066.

The previous prime is 680133680131. The next prime is 680133680141. The reversal of 680133680134 is 431086331086.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680133680131) by changing a digit.

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 as a sum of consecutive naturals, namely, 170033420032 + ... + 170033420035.

It is an arithmetic number, because the mean of its divisors is an integer number (255050130051).

Almost surely, 2^680133680134 is an apocalyptic number.

680133680134 is a deficient number, since it is larger than the sum of its proper divisors (340066840070).

680133680134 is a wasteful number, since it uses less digits than its factorization.

680133680134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340066840069.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 680133680134 in words is "six hundred eighty billion, one hundred thirty-three million, six hundred eighty thousand, one hundred thirty-four".