4368139 has 2 divisors, whose sum is σ = 4368140. Its totient is φ = 4368138.

The previous prime is 4368131. The next prime is 4368151. The reversal of 4368139 is 9318634.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4368139 - 2³ = 4368131 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4368131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2184069 + 2184070.

It is an arithmetic number, because the mean of its divisors is an integer number (2184070).

Almost surely, 2^4368139 is an apocalyptic number.

4368139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4368139 is an equidigital number, since it uses as much as digits as its factorization.

4368139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 4368139 is about 2090.0093301227. The cubic root of 4368139 is about 163.4677744504.

The spelling of 4368139 in words is "four million, three hundred sixty-eight thousand, one hundred thirty-nine".