It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is a d-powerful number, because it can be written as 1 + 310 + 211 + 73 + 95 + 75 .
It is a Duffinian number.
It is a plaindrome in base 7.
It is a zygodrome in base 7.
2137297 is an apocalyptic number.
It is an amenable number.
137297 is an equidigital number, since it uses as much as digits as its factorization.
137297 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 798.
The square root of 137297 is about 370.5360981065. The cubic root of 137297 is about 51.5885929154.
The spelling of 137297 in words is "one hundred thirty-seven thousand, two hundred ninety-seven".