4536139 has 2 divisors, whose sum is σ = 4536140. Its totient is φ = 4536138.

The previous prime is 4536131. The next prime is 4536149. The reversal of 4536139 is 9316354.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4536139 - 2³ = 4536131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4536139.

It is not a weakly prime, because it can be changed into another prime (4536131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2268069 + 2268070.

It is an arithmetic number, because the mean of its divisors is an integer number (2268070).

Almost surely, 2^4536139 is an apocalyptic number.

4536139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4536139 is an equidigital number, since it uses as much as digits as its factorization.

4536139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 31.

The square root of 4536139 is about 2129.8213540107. The cubic root of 4536139 is about 165.5371414406.

The spelling of 4536139 in words is "four million, five hundred thirty-six thousand, one hundred thirty-nine".