10138727 has 4 divisors (see below), whose sum is σ = 10148040. Its totient is φ = 10129416.

The previous prime is 10138717. The next prime is 10138747. The reversal of 10138727 is 72783101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10138727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10138727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10138717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2768 + ... + 5285.

It is an arithmetic number, because the mean of its divisors is an integer number (2537010).

Almost surely, 2^10138727 is an apocalyptic number.

10138727 is a deficient number, since it is larger than the sum of its proper divisors (9313).

10138727 is an equidigital number, since it uses as much as digits as its factorization.

10138727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9312.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 10138727 is about 3184.1367747005. The cubic root of 10138727 is about 216.4351581122.

The spelling of 10138727 in words is "ten million, one hundred thirty-eight thousand, seven hundred twenty-seven".