For a face-centered cubic lattice with one atom per lattice point, there are4 atoms per unit cell. The atoms are in contact along a face diagonal and 4r = (2)1/2a, where r is the metallic radius and a is the edge length of the cell.
Thus: a = r / 0.354 = 134 pm /0.354 = 379 pm
For a cubic cell the volume is the edge length cubed. V = (379 pm)3 = 5.44E7 pm3