142857

this is a fundoo number. thx to sms forwards i got my eyes on this. check out the interesting stuff about this number below

1 × 142,857 = 142,857
2 × 142,857 = 285,714
3 × 142,857 = 428,571
4 × 142,857 = 571,428
5 × 142,857 = 714,285
6 × 142,857 = 857,142

the resulting numbers are anagrams of the initial number.

it is derived from 1⁄7 = 0 . 142857 142857 14...

can we build any relation?
are there any more similar numbers?
does it have any physical significance to the universe?