4027138 has 8 divisors (see below), whose sum is σ = 6072588. Its totient is φ = 2002944.

The previous prime is 4027129. The next prime is 4027141. The reversal of 4027138 is 8317204.

4027138 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 4012009 + 15129 = 2003^2 + 123^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4831 + ... + 5602.

Almost surely, 2^4027138 is an apocalyptic number.

4027138 is a deficient number, since it is larger than the sum of its proper divisors (2045450).

4027138 is a wasteful number, since it uses less digits than its factorization.

4027138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10628.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 4027138 is about 2006.7730315110. The cubic root of 4027138 is about 159.0982871334.

The spelling of 4027138 in words is "four million, twenty-seven thousand, one hundred thirty-eight".