Heatran

Base stats

Shown at neutral nature, 0 EVs (the same formula used by the damage calculator and team builder).

Type matchups

Super effective against (STAB)

Grass×2Ice×2Bug×2Rock×2Steel×2Fairy×2

Weak to

Ground×4Water×2Fighting×2

Resists

Grass×0.25Ice×0.25Bug×0.25Steel×0.25Fairy×0.25Normal×0.5Flying×0.5Psychic×0.5Dragon×0.5

Immune to

Poison