10138742 has 16 divisors (see below), whose sum is σ = 16074240. Its totient is φ = 4782888.

The previous prime is 10138717. The next prime is 10138747. The reversal of 10138742 is 24783101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10138747) 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 7 ways as a sum of consecutive naturals, for example, 13583 + ... + 14309.

It is an arithmetic number, because the mean of its divisors is an integer number (1004640).

Almost surely, 2^10138742 is an apocalyptic number.

10138742 is a deficient number, since it is larger than the sum of its proper divisors (5935498).

10138742 is a wasteful number, since it uses less digits than its factorization.

10138742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 10138742 is about 3184.1391301261. The cubic root of 10138742 is about 216.4352648490.

The spelling of 10138742 in words is "ten million, one hundred thirty-eight thousand, seven hundred forty-two".