102

This number is a composite.

102 = 2 * 3 * 17. The sum of its digits of 102 is equal to the number of its different prime factors. It is the smallest sphenic number with this property. [Capelle]

There are 102 distinct digit primes p for which 10*p+1, 10*p+3, 10*p+7 and 10*p+9 are primes. [Gupta]