137786668 has 12 divisors (see below), whose sum is σ = 247643872. Its totient is φ = 67031280.

The previous prime is 137786641. The next prime is 137786729. The reversal of 137786668 is 866687731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465348 + ... + 465643.

Almost surely, 2^137786668 is an apocalyptic number.

It is an amenable number.

137786668 is a deficient number, since it is larger than the sum of its proper divisors (109857204).

137786668 is a wasteful number, since it uses less digits than its factorization.

137786668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931032 (or 931030 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The square root of 137786668 is about 11738.2565996829. The cubic root of 137786668 is about 516.4985016826.

The spelling of 137786668 in words is "one hundred thirty-seven million, seven hundred eighty-six thousand, six hundred sixty-eight".