10138544 has 40 divisors (see below), whose sum is σ = 21456960. Its totient is φ = 4612608.

The previous prime is 10138523. The next prime is 10138547. The reversal of 10138544 is 44583101.

10138544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10138547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16124 + ... + 16740.

It is an arithmetic number, because the mean of its divisors is an integer number (536424).

Almost surely, 2^10138544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10138544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10728480).

10138544 is an abundant number, since it is smaller than the sum of its proper divisors (11318416).

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

10138544 is a wasteful number, since it uses less digits than its factorization.

10138544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 10138544 is about 3184.1080383680. The cubic root of 10138544 is about 216.4338559148.

The spelling of 10138544 in words is "ten million, one hundred thirty-eight thousand, five hundred forty-four".