4154138 has 16 divisors (see below), whose sum is σ = 6495720. Its totient is φ = 1990656.

The previous prime is 4154107. The next prime is 4154149. The reversal of 4154138 is 8314514.

It can be written as a sum of positive squares in 4 ways, for example, as 4012009 + 142129 = 2003^2 + 377^2 .

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5018 + ... + 5786.

Almost surely, 2^4154138 is an apocalyptic number.

4154138 is a deficient number, since it is larger than the sum of its proper divisors (2341582).

4154138 is a wasteful number, since it uses less digits than its factorization.

4154138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881.

The product of its digits is 1920, while the sum is 26.

The square root of 4154138 is about 2038.1702578538. The cubic root of 4154138 is about 160.7534515809.

The spelling of 4154138 in words is "four million, one hundred fifty-four thousand, one hundred thirty-eight".