135010789561 has 4 divisors (see below), whose sum is σ = 135012378852. Its totient is φ = 135009200272.

The previous prime is 135010789549. The next prime is 135010789597. The reversal of 135010789561 is 165987010531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66912755625 + 68098033936 = 258675^2 + 260956^2 .

It is a cyclic number.

It is not a de Polignac number, because 135010789561 - 2⁹ = 135010789049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135010789961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659566 + ... + 839671.

It is an arithmetic number, because the mean of its divisors is an integer number (33753094713).

Almost surely, 2^135010789561 is an apocalyptic number.

It is an amenable number.

135010789561 is a deficient number, since it is larger than the sum of its proper divisors (1589291).

135010789561 is an equidigital number, since it uses as much as digits as its factorization.

135010789561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589290.

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 135010789561 in words is "one hundred thirty-five billion, ten million, seven hundred eighty-nine thousand, five hundred sixty-one".