10438139 has 2 divisors, whose sum is σ = 10438140. Its totient is φ = 10438138.

The previous prime is 10438133. The next prime is 10438151. The reversal of 10438139 is 93183401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10438139 - 2¹² = 10434043 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10438133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5219069 + 5219070.

It is an arithmetic number, because the mean of its divisors is an integer number (5219070).

Almost surely, 2^10438139 is an apocalyptic number.

10438139 is a deficient number, since it is larger than the sum of its proper divisors (1).

10438139 is an equidigital number, since it uses as much as digits as its factorization.

10438139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 10438139 is about 3230.8108889256. The cubic root of 10438139 is about 218.5450756793.

The spelling of 10438139 in words is "ten million, four hundred thirty-eight thousand, one hundred thirty-nine".