4018139 has 8 divisors (see below), whose sum is σ = 4289040. Its totient is φ = 3753216.

The previous prime is 4018109. The next prime is 4018151. The reversal of 4018139 is 9318104.

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

It is a cyclic number.

It is not a de Polignac number, because 4018139 - 2⁸ = 4017883 is a prime.

It is a super-2 number, since 2×4018139² = 32290882046642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4018109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62 + ... + 2835.

It is an arithmetic number, because the mean of its divisors is an integer number (536130).

Almost surely, 2^4018139 is an apocalyptic number.

4018139 is a deficient number, since it is larger than the sum of its proper divisors (270901).

4018139 is a wasteful number, since it uses less digits than its factorization.

4018139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 4018139 is about 2004.5296206342. The cubic root of 4018139 is about 158.9796923024.

The spelling of 4018139 in words is "four million, eighteen thousand, one hundred thirty-nine".