138795726 has 16 divisors (see below), whose sum is σ = 281735424. Its totient is φ = 45574584.

The previous prime is 138795707. The next prime is 138795733. The reversal of 138795726 is 627597831.

138795726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172230 + ... + 173033.

It is an arithmetic number, because the mean of its divisors is an integer number (17608464).

Almost surely, 2^138795726 is an apocalyptic number.

138795726 is an abundant number, since it is smaller than the sum of its proper divisors (142939698).

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

138795726 is a wasteful number, since it uses less digits than its factorization.

138795726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345335.

The product of its digits is 635040, while the sum is 48.

The square root of 138795726 is about 11781.1597901056. The cubic root of 138795726 is about 517.7562669234.

The spelling of 138795726 in words is "one hundred thirty-eight million, seven hundred ninety-five thousand, seven hundred twenty-six".