4543139 has 2 divisors, whose sum is σ = 4543140. Its totient is φ = 4543138.

The previous prime is 4543129. The next prime is 4543207. The reversal of 4543139 is 9313454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4543139 - 2⁸ = 4542883 is a prime.

It is a super-2 number, since 2×4543139² = 41280223946642, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4543129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271569 + 2271570.

It is an arithmetic number, because the mean of its divisors is an integer number (2271570).

Almost surely, 2^4543139 is an apocalyptic number.

4543139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4543139 is an equidigital number, since it uses as much as digits as its factorization.

4543139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 4543139 is about 2131.4640508345. The cubic root of 4543139 is about 165.6222479191.

The spelling of 4543139 in words is "four million, five hundred forty-three thousand, one hundred thirty-nine".