137109168 has 120 divisors (see below), whose sum is σ = 461676800. Its totient is φ = 37107072.

The previous prime is 137109163. The next prime is 137109169. The reversal of 137109168 is 861901731.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (137109163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15573 + ... + 22731.

Almost surely, 2^137109168 is an apocalyptic number.

137109168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137109168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230838400).

137109168 is an abundant number, since it is smaller than the sum of its proper divisors (324567632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137109168 is a wasteful number, since it uses less digits than its factorization.

137109168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7199 (or 7190 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 137109168 is about 11709.3624079196. The cubic root of 137109168 is about 515.6505656525.

The spelling of 137109168 in words is "one hundred thirty-seven million, one hundred nine thousand, one hundred sixty-eight".