JSFiddle - React, Tailwind, and code Playground

JavaScript

var objeto = 
{
  aifuw : 7,
  hsjwo : 5,
  hsgqk : 137,
  ahayh : 137,
  jskwe : 9483,
}

function procurarporChave(obj, value)
{
    return Object.keys(obj).filter(function(key) 
    {
      return obj[key] == value;
    })
}

var valor = '137';

chaves = procurarporChave(objeto, valor);
alert(chaves);