135443663 has 2 divisors, whose sum is σ = 135443664. Its totient is φ = 135443662.

The previous prime is 135443617. The next prime is 135443669. The reversal of 135443663 is 366344531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135443663 - 2¹⁶ = 135378127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135443669) 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, 67721831 + 67721832.

It is an arithmetic number, because the mean of its divisors is an integer number (67721832).

Almost surely, 2^135443663 is an apocalyptic number.

135443663 is a deficient number, since it is larger than the sum of its proper divisors (1).

135443663 is an equidigital number, since it uses as much as digits as its factorization.

135443663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 35.

The square root of 135443663 is about 11638.0265938861. The cubic root of 135443663 is about 513.5541347402.

The spelling of 135443663 in words is "one hundred thirty-five million, four hundred forty-three thousand, six hundred sixty-three".