39324139 has 2 divisors, whose sum is σ = 39324140. Its totient is φ = 39324138.

The previous prime is 39324137. The next prime is 39324143. The reversal of 39324139 is 93142393.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39324139 - 2¹ = 39324137 is a prime.

Together with 39324137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (39324133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19662069 + 19662070.

It is an arithmetic number, because the mean of its divisors is an integer number (19662070).

Almost surely, 2^39324139 is an apocalyptic number.

39324139 is a deficient number, since it is larger than the sum of its proper divisors (1).

39324139 is an equidigital number, since it uses as much as digits as its factorization.

39324139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 34.

The square root of 39324139 is about 6270.8961879463. The cubic root of 39324139 is about 340.0580610187.

The spelling of 39324139 in words is "thirty-nine million, three hundred twenty-four thousand, one hundred thirty-nine".