137923884726 has 64 divisors (see below), whose sum is σ = 281251256832. Its totient is φ = 45084874752.

The previous prime is 137923884661. The next prime is 137923884727. The reversal of 137923884726 is 627488329731.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 137923884726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137923884727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29512726 + ... + 29517398.

It is an arithmetic number, because the mean of its divisors is an integer number (4394550888).

Almost surely, 2^137923884726 is an apocalyptic number.

137923884726 is an abundant number, since it is smaller than the sum of its proper divisors (143327372106).

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

137923884726 is a wasteful number, since it uses less digits than its factorization.

137923884726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237.

The product of its digits is 24385536, while the sum is 60.

The spelling of 137923884726 in words is "one hundred thirty-seven billion, nine hundred twenty-three million, eight hundred eighty-four thousand, seven hundred twenty-six".