4139081 has 8 divisors (see below), whose sum is σ = 4230144. Its totient is φ = 4049200.

The previous prime is 4139063. The next prime is 4139101. The reversal of 4139081 is 1809314.

4139081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4139081 - 2¹⁴ = 4122697 is a prime.

It is a super-2 number, since 2×4139081² = 34263983049122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4139081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4139581) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10616 + ... + 10998.

It is an arithmetic number, because the mean of its divisors is an integer number (528768).

Almost surely, 2^4139081 is an apocalyptic number.

It is an amenable number.

4139081 is a deficient number, since it is larger than the sum of its proper divisors (91063).

4139081 is a wasteful number, since it uses less digits than its factorization.

4139081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

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

The square root of 4139081 is about 2034.4731504741. The cubic root of 4139081 is about 160.5589952732.

The spelling of 4139081 in words is "four million, one hundred thirty-nine thousand, eighty-one".