10138522 has 8 divisors (see below), whose sum is σ = 15245172. Its totient is φ = 5056800.

The previous prime is 10138489. The next prime is 10138523. The reversal of 10138522 is 22583101.

It can be written as a sum of positive squares in 2 ways, for example, as 9308601 + 829921 = 3051^2 + 911^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 10138493 and 10138502.

It is not an unprimeable number, because it can be changed into a prime (10138523) 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, 5179 + ... + 6862.

Almost surely, 2^10138522 is an apocalyptic number.

10138522 is a deficient number, since it is larger than the sum of its proper divisors (5106650).

10138522 is a wasteful number, since it uses less digits than its factorization.

10138522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12464.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 10138522 is about 3184.1045837095. The cubic root of 10138522 is about 216.4336993654.

The spelling of 10138522 in words is "ten million, one hundred thirty-eight thousand, five hundred twenty-two".