135555647 has 2 divisors, whose sum is σ = 135555648. Its totient is φ = 135555646.

The previous prime is 135555631. The next prime is 135555677. The reversal of 135555647 is 746555531.

It is a weak prime.

It is an emirp because it is prime and its reverse (746555531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135555647 - 2⁴ = 135555631 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135555677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67777823 + 67777824.

It is an arithmetic number, because the mean of its divisors is an integer number (67777824).

Almost surely, 2^135555647 is an apocalyptic number.

135555647 is a deficient number, since it is larger than the sum of its proper divisors (1).

135555647 is an equidigital number, since it uses as much as digits as its factorization.

135555647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 315000, while the sum is 41.

The square root of 135555647 is about 11642.8367247849. The cubic root of 135555647 is about 513.6956302339.

The spelling of 135555647 in words is "one hundred thirty-five million, five hundred fifty-five thousand, six hundred forty-seven".