| Atomic Mass | Mass Excess |
| 140.909604342582 amu | -84.203 MeV |
| Level energy (MeV) | Spin & parity | Half-life | Mode of decay | Branch ratio (%) | Decay energy (MeV) |
| Ground state | 3/2+ | 2.49 H 0.03 | EC | 100 | 1.823 |
| .757 | 11/2- | 62.0 S 0.8 | IT | 100 | .757 |
| .757 | 11/2- | 62.0 S 0.8 | EC | <0.05 | 2.58 |
| Decay mode | Half-life | Gamma-ray energy (keV) | Intensity (%) |
| IT | 62.0 S 0.8 | 756.51 | 91.35 |
| EC | 2.49 H 0.03 | 1126.91 | 0.80+- 0.03 |