135612105366427 has 2 divisors, whose sum is σ = 135612105366428. Its totient is φ = 135612105366426.

The previous prime is 135612105366407. The next prime is 135612105366461. The reversal of 135612105366427 is 724663501216531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135612105366427 - 2¹⁵ = 135612105333659 is a prime.

It is not a weakly prime, because it can be changed into another prime (135612105366407) 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, 67806052683213 + 67806052683214.

It is an arithmetic number, because the mean of its divisors is an integer number (67806052683214).

Almost surely, 2^{135612105366427} is an apocalyptic number.

135612105366427 is a deficient number, since it is larger than the sum of its proper divisors (1).

135612105366427 is an equidigital number, since it uses as much as digits as its factorization.

135612105366427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 135612105366427 in words is "one hundred thirty-five trillion, six hundred twelve billion, one hundred five million, three hundred sixty-six thousand, four hundred twenty-seven".