4268138 has 8 divisors (see below), whose sum is σ = 7316832. Its totient is φ = 1829196.

The previous prime is 4268107. The next prime is 4268149. The reversal of 4268138 is 8318624.

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

It is a d-powerful number, because it can be written as 4¹¹ + 2¹⁵ + 6⁵ + 8³ + 1 + 3² + 8⁵ .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152420 + ... + 152447.

It is an arithmetic number, because the mean of its divisors is an integer number (914604).

Almost surely, 2^4268138 is an apocalyptic number.

4268138 is a deficient number, since it is larger than the sum of its proper divisors (3048694).

4268138 is a wasteful number, since it uses less digits than its factorization.

4268138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304876.

The product of its digits is 9216, while the sum is 32.

The square root of 4268138 is about 2065.9472403718. The cubic root of 4268138 is about 162.2106947113.

The spelling of 4268138 in words is "four million, two hundred sixty-eight thousand, one hundred thirty-eight".