137248169 has 4 divisors (see below), whose sum is σ = 137289600. Its totient is φ = 137206740.

The previous prime is 137248159. The next prime is 137248187. The reversal of 137248169 is 961842731.

137248169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 137248169 - 2²⁰ = 136199593 is a prime.

It is a super-2 number, since 2×137248169² = 37674119787705122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137248159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15269 + ... + 22530.

It is an arithmetic number, because the mean of its divisors is an integer number (34322400).

Almost surely, 2^137248169 is an apocalyptic number.

It is an amenable number.

137248169 is a deficient number, since it is larger than the sum of its proper divisors (41431).

137248169 is an equidigital number, since it uses as much as digits as its factorization.

137248169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41430.

The product of its digits is 72576, while the sum is 41.

The square root of 137248169 is about 11715.2963684236. The cubic root of 137248169 is about 515.8247619695.

The spelling of 137248169 in words is "one hundred thirty-seven million, two hundred forty-eight thousand, one hundred sixty-nine".