10138418 has 8 divisors (see below), whose sum is σ = 15232620. Its totient is φ = 5060880.

The previous prime is 10138397. The next prime is 10138421. The reversal of 10138418 is 81483101.

10138418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8334769 + 1803649 = 2887^2 + 1343^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513 + ... + 5156.

Almost surely, 2^10138418 is an apocalyptic number.

10138418 is a deficient number, since it is larger than the sum of its proper divisors (5094202).

10138418 is an equidigital number, since it uses as much as digits as its factorization.

10138418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8332.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 10138418 is about 3184.0882525458. The cubic root of 10138418 is about 216.4329593107.

The spelling of 10138418 in words is "ten million, one hundred thirty-eight thousand, four hundred eighteen".