13494139 has 2 divisors, whose sum is σ = 13494140. Its totient is φ = 13494138.

The previous prime is 13494119. The next prime is 13494149. The reversal of 13494139 is 93149431.

It is a strong prime.

It is an emirp because it is prime and its reverse (93149431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13494139 - 2¹¹ = 13492091 is a prime.

It is not a weakly prime, because it can be changed into another prime (13494109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6747069 + 6747070.

It is an arithmetic number, because the mean of its divisors is an integer number (6747070).

Almost surely, 2^13494139 is an apocalyptic number.

13494139 is a deficient number, since it is larger than the sum of its proper divisors (1).

13494139 is an equidigital number, since it uses as much as digits as its factorization.

13494139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 34.

The square root of 13494139 is about 3673.4369465121. The cubic root of 13494139 is about 238.0756944460.

The spelling of 13494139 in words is "thirteen million, four hundred ninety-four thousand, one hundred thirty-nine".