134666680668 has 48 divisors (see below), whose sum is σ = 338630893440. Its totient is φ = 41406796224.

The previous prime is 134666680661. The next prime is 134666680711. The reversal of 134666680668 is 866086666431.

It is a super-2 number, since 2×134666680668² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134666680661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79858 + ... + 525081.

It is an arithmetic number, because the mean of its divisors is an integer number (7054810280).

Almost surely, 2^134666680668 is an apocalyptic number.

It is an amenable number.

134666680668 is an abundant number, since it is smaller than the sum of its proper divisors (203964212772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134666680668 is a wasteful number, since it uses less digits than its factorization.

134666680668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606386 (or 606384 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 60.

The spelling of 134666680668 in words is "one hundred thirty-four billion, six hundred sixty-six million, six hundred eighty thousand, six hundred sixty-eight".