39, 52, 78, 117, 169, ?,

Direction: What should come in place of the question mark in each of the following number series ?

Series pattern
39 + 1 x 13 = 52
52 + 2 x 13 = 78
78 + 3 x 13 = 117
117 + 4 x 13 = 169
169 + 5 x 13 = 234 Should come in place of ?