Perfect Square
138997955996149373067739921 is a perfect square (11789739437161 × 11789739437161)
138997955996149373067739921 is a perfect square (11789739437161 × 11789739437161)
138997955996149373067739921 is odd
Previous odd number is 138997955996149373067739919
Next odd number is 138997955996149373067739923
111001011111001111101100100101100001000110101000111100111110110000110100100001100010001
2685500525147003447530473843061516418881132733489639353889243462532246095526961