4470139 has 4 divisors (see below), whose sum is σ = 4512024. Its totient is φ = 4428256.

The previous prime is 4470121. The next prime is 4470143. The reversal of 4470139 is 9310744.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4470139 - 2⁹ = 4469627 is a prime.

It is a Duffinian number.

4470139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4470239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20782 + ... + 20995.

It is an arithmetic number, because the mean of its divisors is an integer number (1128006).

Almost surely, 2^4470139 is an apocalyptic number.

4470139 is a deficient number, since it is larger than the sum of its proper divisors (41885).

4470139 is a wasteful number, since it uses less digits than its factorization.

4470139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41884.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 4470139 is about 2114.2703233031. The cubic root of 4470139 is about 164.7303707762.

The spelling of 4470139 in words is "four million, four hundred seventy thousand, one hundred thirty-nine".