13138019 has 2 divisors, whose sum is σ = 13138020. Its totient is φ = 13138018.

The previous prime is 13138007. The next prime is 13138031. The reversal of 13138019 is 91083131.

It is a balanced prime because it is at equal distance from previous prime (13138007) and next prime (13138031).

It is a cyclic number.

It is not a de Polignac number, because 13138019 - 2⁸ = 13137763 is a prime.

It is a super-2 number, since 2×13138019² = 345215086488722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13138919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6569009 + 6569010.

It is an arithmetic number, because the mean of its divisors is an integer number (6569010).

Almost surely, 2^13138019 is an apocalyptic number.

13138019 is a deficient number, since it is larger than the sum of its proper divisors (1).

13138019 is an equidigital number, since it uses as much as digits as its factorization.

13138019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 13138019 is about 3624.6405339013. The cubic root of 13138019 is about 235.9626664587.

The spelling of 13138019 in words is "thirteen million, one hundred thirty-eight thousand, nineteen".