137722508686 has 16 divisors (see below), whose sum is σ = 238261747680. Its totient is φ = 58482427680.

The previous prime is 137722508683. The next prime is 137722508687. The reversal of 137722508686 is 686805227731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137722508683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45123805 + ... + 45126856.

It is an arithmetic number, because the mean of its divisors is an integer number (14891359230).

Almost surely, 2^137722508686 is an apocalyptic number.

137722508686 is a deficient number, since it is larger than the sum of its proper divisors (100539238994).

137722508686 is a wasteful number, since it uses less digits than its factorization.

137722508686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90250779.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 137722508686 in words is "one hundred thirty-seven billion, seven hundred twenty-two million, five hundred eight thousand, six hundred eighty-six".