What does 539 mean?

My answer is that 539 means RMB 390 yuan in Wu Bai. Although people always say that money is not everything, in this "money first" society, no one will look at you without money. Money is indispensable to our life. Even if you don't need to buy things, people will always get sick. I am sick and need to spend money to treat my illness. If you have no money, you may even die.