4052139 has 16 divisors (see below), whose sum is σ = 6650112. Its totient is φ = 2137248.

The previous prime is 4052107. The next prime is 4052173. The reversal of 4052139 is 9312504.

It is not a de Polignac number, because 4052139 - 2⁵ = 4052107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4051139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7149 + ... + 7694.

It is an arithmetic number, because the mean of its divisors is an integer number (415632).

Almost surely, 2^4052139 is an apocalyptic number.

4052139 is a deficient number, since it is larger than the sum of its proper divisors (2597973).

4052139 is a wasteful number, since it uses less digits than its factorization.

4052139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14866.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 4052139 is about 2012.9925484214. The cubic root of 4052139 is about 159.4268424963.

The spelling of 4052139 in words is "four million, fifty-two thousand, one hundred thirty-nine".