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| 139La | Half-life | Boson, 57p 82n |  |  | Stable | Spin 7/2 Parity 1 | 
 This isotope is stable and thus has no decay products, so instead we show decay chains that lead down to it.
 | | Atomic Weight | 138.906353267 |  | Abundance | 99.91% |  | Mass Excess | -87.231371MeV |  | Binding Energy | 8.378063MeV |  | Magnetic Moment | 2.7830455 μ |  | Quadrupole Moment | 0.2 | 
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