194386134680 has 16 divisors (see below), whose sum is σ = 437368803120. Its totient is φ = 77754453856.

The previous prime is 194386134673. The next prime is 194386134703. The reversal of 194386134680 is 86431683491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2429826644 + ... + 2429826723.

It is an arithmetic number, because the mean of its divisors is an integer number (27335550195).

Almost surely, 2^194386134680 is an apocalyptic number.

194386134680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194386134680 is an abundant number, since it is smaller than the sum of its proper divisors (242982668440).

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

194386134680 is a wasteful number, since it uses less digits than its factorization.

194386134680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859653378 (or 4859653374 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 194386134680 in words is "one hundred ninety-four billion, three hundred eighty-six million, one hundred thirty-four thousand, six hundred eighty".