14775138 has 48 divisors (see below), whose sum is σ = 36878400. Its totient is φ = 4187808.

The previous prime is 14775119. The next prime is 14775143. The reversal of 14775138 is 83157741.

14775138 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18381 + ... + 19167.

It is an arithmetic number, because the mean of its divisors is an integer number (768300).

Almost surely, 2^14775138 is an apocalyptic number.

14775138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14775138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18439200).

14775138 is an abundant number, since it is smaller than the sum of its proper divisors (22103262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14775138 is a wasteful number, since it uses less digits than its factorization.

14775138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951 (or 948 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 14775138 is about 3843.8441695782. The cubic root of 14775138 is about 245.3826479283.

The spelling of 14775138 in words is "fourteen million, seven hundred seventy-five thousand, one hundred thirty-eight".