10609138 has 4 divisors (see below), whose sum is σ = 15913710. Its totient is φ = 5304568.

The previous prime is 10609133. The next prime is 10609153. The reversal of 10609138 is 83190601.

It is a happy number.

10609138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83190601 = 13 ⋅6399277.

It can be written as a sum of positive squares in only one way, i.e., 10608049 + 1089 = 3257^2 + 33^2 .

It is a super-2 number, since 2×10609138² = 225107618206088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10609133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2652283 + ... + 2652286.

Almost surely, 2^10609138 is an apocalyptic number.

10609138 is a deficient number, since it is larger than the sum of its proper divisors (5304572).

10609138 is an equidigital number, since it uses as much as digits as its factorization.

10609138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304571.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 10609138 is about 3257.1671740947. The cubic root of 10609138 is about 219.7320291026.

Adding to 10609138 its reverse (83190601), we get a palindrome (93799739).

The spelling of 10609138 in words is "ten million, six hundred nine thousand, one hundred thirty-eight".