Hospital please! That's pretty high, could have a stroke if you don't get it down, please go to the ER.
The average blood pressure should be 120/80 (Although the 120 can alternate to somewhere between 110 and 120).
You are at a very high risk of Hypertension, and it can get very serious.
Avoid ALL salty foods and drink more water on a daily basis. All sodium foods should not be consumed with a blood pressure this high.