136191143839 has 2 divisors, whose sum is σ = 136191143840. Its totient is φ = 136191143838.

The previous prime is 136191143749. The next prime is 136191143849. The reversal of 136191143839 is 938341191631.

It is a strong prime.

It is an emirp because it is prime and its reverse (938341191631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136191143839 - 2¹¹ = 136191141791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136191143792 and 136191143801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136191143849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68095571919 + 68095571920.

It is an arithmetic number, because the mean of its divisors is an integer number (68095571920).

Almost surely, 2^136191143839 is an apocalyptic number.

136191143839 is a deficient number, since it is larger than the sum of its proper divisors (1).

136191143839 is an equidigital number, since it uses as much as digits as its factorization.

136191143839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 49.

The spelling of 136191143839 in words is "one hundred thirty-six billion, one hundred ninety-one million, one hundred forty-three thousand, eight hundred thirty-nine".