105786607

This number is a composite.

The only 3-sphenic number, (105786607 = 331 × 401 × 797), whose the reversal is a 6-almost prime with prime factors six consecutive Mersenne prime exponents, i.e., 706687501 = 13 × 17 × 19 × 31 × 61 × 89. [Loungrides]