10138726 has 16 divisors (see below), whose sum is σ = 16779168. Its totient is φ = 4564800.

The previous prime is 10138717. The next prime is 10138747. The reversal of 10138726 is 62783101.

10138726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10138694 and 10138703.

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, 3690 + ... + 5821.

It is an arithmetic number, because the mean of its divisors is an integer number (1048698).

Almost surely, 2^10138726 is an apocalyptic number.

10138726 is a deficient number, since it is larger than the sum of its proper divisors (6640442).

10138726 is a wasteful number, since it uses less digits than its factorization.

10138726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9567.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 10138726 is about 3184.1366176720. The cubic root of 10138726 is about 216.4351509964.

The spelling of 10138726 in words is "ten million, one hundred thirty-eight thousand, seven hundred twenty-six".