137146668 has 24 divisors (see below), whose sum is σ = 320565168. Its totient is φ = 45636096.

The previous prime is 137146649. The next prime is 137146717. The reversal of 137146668 is 866641731.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2521 + ... + 16752.

It is an arithmetic number, because the mean of its divisors is an integer number (13356882).

Almost surely, 2^137146668 is an apocalyptic number.

It is an amenable number.

137146668 is an abundant number, since it is smaller than the sum of its proper divisors (183418500).

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

137146668 is a wasteful number, since it uses less digits than its factorization.

137146668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19873 (or 19871 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 137146668 is about 11710.9635811918. The cubic root of 137146668 is about 515.6975723160.

The spelling of 137146668 in words is "one hundred thirty-seven million, one hundred forty-six thousand, six hundred sixty-eight".