10138874 has 4 divisors (see below), whose sum is σ = 15208314. Its totient is φ = 5069436.

The previous prime is 10138873. The next prime is 10138889. The reversal of 10138874 is 47883101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9966649 + 172225 = 3157^2 + 415^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10138874.

It is not an unprimeable number, because it can be changed into a prime (10138873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2534717 + ... + 2534720.

Almost surely, 2^10138874 is an apocalyptic number.

10138874 is a deficient number, since it is larger than the sum of its proper divisors (5069440).

10138874 is an equidigital number, since it uses as much as digits as its factorization.

10138874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5069439.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 10138874 is about 3184.1598577961. The cubic root of 10138874 is about 216.4362041282.

The spelling of 10138874 in words is "ten million, one hundred thirty-eight thousand, eight hundred seventy-four".