39138283 has 2 divisors, whose sum is σ = 39138284. Its totient is φ = 39138282.

The previous prime is 39138269. The next prime is 39138311. The reversal of 39138283 is 38283193.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39138283 - 2¹⁷ = 39007211 is a prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (39138223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19569141 + 19569142.

It is an arithmetic number, because the mean of its divisors is an integer number (19569142).

Almost surely, 2^39138283 is an apocalyptic number.

39138283 is a deficient number, since it is larger than the sum of its proper divisors (1).

39138283 is an equidigital number, since it uses as much as digits as its factorization.

39138283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 39138283 is about 6256.0597024005. The cubic root of 39138283 is about 339.5214808228.

The spelling of 39138283 in words is "thirty-nine million, one hundred thirty-eight thousand, two hundred eighty-three".