4230139 has 2 divisors, whose sum is σ = 4230140. Its totient is φ = 4230138.

The previous prime is 4230133. The next prime is 4230169. The reversal of 4230139 is 9310324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4230139 - 2¹⁹ = 3705851 is a prime.

It is not a weakly prime, because it can be changed into another prime (4230133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115069 + 2115070.

It is an arithmetic number, because the mean of its divisors is an integer number (2115070).

Almost surely, 2^4230139 is an apocalyptic number.

4230139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4230139 is an equidigital number, since it uses as much as digits as its factorization.

4230139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 4230139 is about 2056.7301718991. The cubic root of 4230139 is about 161.7278746989.

The spelling of 4230139 in words is "four million, two hundred thirty thousand, one hundred thirty-nine".