10138705 has 16 divisors (see below), whose sum is σ = 12672000. Its totient is φ = 7778880.

The previous prime is 10138691. The next prime is 10138717. The reversal of 10138705 is 50783101.

It is not a de Polignac number, because 10138705 - 2⁵ = 10138673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10138705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22876 + ... + 23314.

It is an arithmetic number, because the mean of its divisors is an integer number (792000).

Almost surely, 2^10138705 is an apocalyptic number.

It is an amenable number.

10138705 is a deficient number, since it is larger than the sum of its proper divisors (2533295).

10138705 is a wasteful number, since it uses less digits than its factorization.

10138705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 10138705 is about 3184.1333200731. The cubic root of 10138705 is about 216.4350015647.

The spelling of 10138705 in words is "ten million, one hundred thirty-eight thousand, seven hundred five".