137166489 has 24 divisors (see below), whose sum is σ = 212675112. Its totient is φ = 84879360.

The previous prime is 137166481. The next prime is 137166499. The reversal of 137166489 is 984661731.

It is a happy number.

137166489 is a `hidden beast` number, since 1 + 3 + 7 + 166 + 489 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 68608089 + 68558400 = 8283^2 + 8280^2 .

It is not a de Polignac number, because 137166489 - 2³ = 137166481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137166481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5029 + ... + 17309.

It is an arithmetic number, because the mean of its divisors is an integer number (8861463).

Almost surely, 2^137166489 is an apocalyptic number.

It is an amenable number.

137166489 is a deficient number, since it is larger than the sum of its proper divisors (75508623).

137166489 is a wasteful number, since it uses less digits than its factorization.

137166489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12377 (or 12374 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 137166489 is about 11711.8098089066. The cubic root of 137166489 is about 515.7224146967.

The spelling of 137166489 in words is "one hundred thirty-seven million, one hundred sixty-six thousand, four hundred eighty-nine".