136055839 has 2 divisors, whose sum is σ = 136055840. Its totient is φ = 136055838.

The previous prime is 136055831. The next prime is 136055897. The reversal of 136055839 is 938550631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136055839 - 2³ = 136055831 is a prime.

It is a super-2 number, since 2×136055839² = 37022382651987842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136055831) 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, 68027919 + 68027920.

It is an arithmetic number, because the mean of its divisors is an integer number (68027920).

Almost surely, 2^136055839 is an apocalyptic number.

136055839 is a deficient number, since it is larger than the sum of its proper divisors (1).

136055839 is an equidigital number, since it uses as much as digits as its factorization.

136055839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 136055839 is about 11664.2976213744. The cubic root of 136055839 is about 514.3266897724.

The spelling of 136055839 in words is "one hundred thirty-six million, fifty-five thousand, eight hundred thirty-nine".