Srimad Bhagavatam Canto 12, Chapter 01, Text 03

SB 12.1.3

nandivardhanas tat-putrah
 pañca pradyotana ime
asta-trimsottara-satam
 bhoksyanti prthivim nrpah
 
Translation: 
 
The son of Rajaka will be Nandivardhana, and thus in the Pradyotana dynasty there will be five kings, who will enjoy the earth for 138 years.
Srimad Bhagavatam Canto 12, Chapter 01, Text 01-02
Srimad Bhagavatam Canto 12, Chapter 01, Text 04