4166139 has 8 divisors (see below), whose sum is σ = 5881680. Its totient is φ = 2614016.

The previous prime is 4166137. The next prime is 4166143. The reversal of 4166139 is 9316614.

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 4166139 - 2¹ = 4166137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4166137) 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, 40794 + ... + 40895.

It is an arithmetic number, because the mean of its divisors is an integer number (735210).

Almost surely, 2^4166139 is an apocalyptic number.

4166139 is a deficient number, since it is larger than the sum of its proper divisors (1715541).

4166139 is a wasteful number, since it uses less digits than its factorization.

4166139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81709.

The product of its digits is 3888, while the sum is 30.

The square root of 4166139 is about 2041.1121968182. The cubic root of 4166139 is about 160.9081043933.

It can be divided in two parts, 416 and 6139, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 4166139 in words is "four million, one hundred sixty-six thousand, one hundred thirty-nine".