The address 1LxkLRyo7geb4umenGtJUJ2o4ArYJbWZZD received many small ( 0.00005 ) transactions in the past. It also received some larger amounts (such as 1.4023746 BTC). Now someone sends BTC from this address further to 17fTqG6q2HGhuP2jZPYSx46mU3c8bxWp2s and these many smalls inputs (previously outputs) and some bigger (one of them being 1.4023746 BTC) are combined to do this. Change is returned back to 1LxkLRyo7geb4umenGtJUJ2o4ArYJbWZZD.