4254139 has 2 divisors, whose sum is σ = 4254140. Its totient is φ = 4254138.

The previous prime is 4254127. The next prime is 4254163. The reversal of 4254139 is 9314524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4254139 - 2¹³ = 4245947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4254109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2127069 + 2127070.

It is an arithmetic number, because the mean of its divisors is an integer number (2127070).

Almost surely, 2^4254139 is an apocalyptic number.

4254139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4254139 is an equidigital number, since it uses as much as digits as its factorization.

4254139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 4254139 is about 2062.5564234706. The cubic root of 4254139 is about 162.0331563492.

The spelling of 4254139 in words is "four million, two hundred fifty-four thousand, one hundred thirty-nine".