137722684 has 18 divisors (see below), whose sum is σ = 264917912. Its totient is φ = 62601000.

The previous prime is 137722681. The next prime is 137722687. The reversal of 137722684 is 486227731.

It is an interprime number because it is at equal distance from previous prime (137722681) and next prime (137722687).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137722681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141792 + ... + 142759.

Almost surely, 2^137722684 is an apocalyptic number.

It is an amenable number.

137722684 is a deficient number, since it is larger than the sum of its proper divisors (127195228).

137722684 is a wasteful number, since it uses less digits than its factorization.

137722684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284577 (or 284564 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 137722684 is about 11735.5308358847. The cubic root of 137722684 is about 516.4185404949.

The spelling of 137722684 in words is "one hundred thirty-seven million, seven hundred twenty-two thousand, six hundred eighty-four".