10138042 has 8 divisors (see below), whose sum is σ = 15229332. Its totient is φ = 5061600.

The previous prime is 10138027. The next prime is 10138043. The reversal of 10138042 is 24083101.

It can be written as a sum of positive squares in 2 ways, for example, as 10042561 + 95481 = 3169^2 + 309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10138043) 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, 1809 + ... + 4852.

Almost surely, 2^10138042 is an apocalyptic number.

10138042 is a deficient number, since it is larger than the sum of its proper divisors (5091290).

10138042 is an equidigital number, since it uses as much as digits as its factorization.

10138042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7424.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 10138042 is about 3184.0292084087. The cubic root of 10138042 is about 216.4302836862.

The spelling of 10138042 in words is "ten million, one hundred thirty-eight thousand, forty-two".