135231653663 has 2 divisors, whose sum is σ = 135231653664. Its totient is φ = 135231653662.

The previous prime is 135231653653. The next prime is 135231653681. The reversal of 135231653663 is 366356132531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135231653663 - 2⁴ = 135231653647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135231653603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67615826831 + 67615826832.

It is an arithmetic number, because the mean of its divisors is an integer number (67615826832).

Almost surely, 2^135231653663 is an apocalyptic number.

135231653663 is a deficient number, since it is larger than the sum of its proper divisors (1).

135231653663 is an equidigital number, since it uses as much as digits as its factorization.

135231653663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 874800, while the sum is 44.

The spelling of 135231653663 in words is "one hundred thirty-five billion, two hundred thirty-one million, six hundred fifty-three thousand, six hundred sixty-three".