135548686643 has 2 divisors, whose sum is σ = 135548686644. Its totient is φ = 135548686642.

The previous prime is 135548686633. The next prime is 135548686673. The reversal of 135548686643 is 346686845531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135548686643 - 2⁸ = 135548686387 is a prime.

It is not a weakly prime, because it can be changed into another prime (135548686613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67774343321 + 67774343322.

It is an arithmetic number, because the mean of its divisors is an integer number (67774343322).

Almost surely, 2^135548686643 is an apocalyptic number.

135548686643 is a deficient number, since it is larger than the sum of its proper divisors (1).

135548686643 is an equidigital number, since it uses as much as digits as its factorization.

135548686643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49766400, while the sum is 59.

The spelling of 135548686643 in words is "one hundred thirty-five billion, five hundred forty-eight million, six hundred eighty-six thousand, six hundred forty-three".