680380137134 has 16 divisors (see below), whose sum is σ = 1040409725472. Its totient is φ = 333584098848.

The previous prime is 680380137127. The next prime is 680380137181. The reversal of 680380137134 is 431731083086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1610969 + ... + 1988964.

It is an arithmetic number, because the mean of its divisors is an integer number (65025607842).

Almost surely, 2^680380137134 is an apocalyptic number.

680380137134 is a deficient number, since it is larger than the sum of its proper divisors (360029588338).

680380137134 is a wasteful number, since it uses less digits than its factorization.

680380137134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601771.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 680380137134 in words is "six hundred eighty billion, three hundred eighty million, one hundred thirty-seven thousand, one hundred thirty-four".