680760142 has 4 divisors (see below), whose sum is σ = 1021140216. Its totient is φ = 340380070.

The previous prime is 680760137. The next prime is 680760167. The reversal of 680760142 is 241067086.

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

It is a junction number, because it is equal to n+sod(n) for n = 680760098 and 680760107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170190034 + ... + 170190037.

It is an arithmetic number, because the mean of its divisors is an integer number (255285054).

Almost surely, 2^680760142 is an apocalyptic number.

680760142 is a deficient number, since it is larger than the sum of its proper divisors (340380074).

680760142 is a wasteful number, since it uses less digits than its factorization.

680760142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340380073.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 680760142 is about 26091.3806073960. The cubic root of 680760142 is about 879.6934805397.

The spelling of 680760142 in words is "six hundred eighty million, seven hundred sixty thousand, one hundred forty-two".