According to the US Constitution, what is the age requirement to be President of the US?

Article Two, Section 1 of the United States Constitution sets forth the eligibility requirements for serving as President of the United States:

• No person except a natural born Citizen, or a Citizen of the United States, at the time of the Adoption of this Constitution, shall be eligible to the Office of President; neither shall any person be eligible to that Office who shall not have attained to the Age of thirty five Years, and been fourteen Years a Resident within the United States.