135991846927 has 2 divisors, whose sum is σ = 135991846928. Its totient is φ = 135991846926.

The previous prime is 135991846889. The next prime is 135991846943. The reversal of 135991846927 is 729648199531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135991846927 - 2¹⁵ = 135991814159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135991846967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67995923463 + 67995923464.

It is an arithmetic number, because the mean of its divisors is an integer number (67995923464).

Almost surely, 2^135991846927 is an apocalyptic number.

135991846927 is a deficient number, since it is larger than the sum of its proper divisors (1).

135991846927 is an equidigital number, since it uses as much as digits as its factorization.

135991846927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29393280, while the sum is 64.

The spelling of 135991846927 in words is "one hundred thirty-five billion, nine hundred ninety-one million, eight hundred forty-six thousand, nine hundred twenty-seven".