print((function (f, n)
	return f(n)
end)(function (n)
	local t,s,c = math.floor(math.sqrt(n)),"%f%f",0
	for i=1,t do
		if n%i == 0 then
			c = c + (s:format(n/i,i) == s:format(i,n/i) and 1 or 2)
		end
	end
	return c
end, io.stdin:read("*n")))