4139299 has 2 divisors, whose sum is σ = 4139300. Its totient is φ = 4139298.

The previous prime is 4139297. The next prime is 4139323. The reversal of 4139299 is 9929314.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4139299 - 2¹ = 4139297 is a prime.

It is a super-2 number, since 2×4139299² = 34267592422802, which contains 22 as substring.

Together with 4139297, it forms a pair of twin primes.

4139299 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4139297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2069649 + 2069650.

It is an arithmetic number, because the mean of its divisors is an integer number (2069650).

Almost surely, 2^4139299 is an apocalyptic number.

4139299 is a deficient number, since it is larger than the sum of its proper divisors (1).

4139299 is an equidigital number, since it uses as much as digits as its factorization.

4139299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 37.

The square root of 4139299 is about 2034.5267262929. The cubic root of 4139299 is about 160.5618140347.

It can be divided in two parts, 41 and 39299, that added together give a triangular number (39340 = T₂₈₀).

The spelling of 4139299 in words is "four million, one hundred thirty-nine thousand, two hundred ninety-nine".