135512768898026 has 16 divisors (see below), whose sum is σ = 218909267383464. Its totient is φ = 62543204785344.

The previous prime is 135512768898007. The next prime is 135512768898071. The reversal of 135512768898026 is 620898867215531.

It can be written as a sum of positive squares in 4 ways, for example, as 125628252976801 + 9884515921225 = 11208401^2 + 3143965^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46478501 + ... + 49307976.

Almost surely, 2^{135512768898026} is an apocalyptic number.

135512768898026 is a deficient number, since it is larger than the sum of its proper divisors (83396498485438).

135512768898026 is a wasteful number, since it uses less digits than its factorization.

135512768898026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95840905.

The product of its (nonzero) digits is 348364800, while the sum is 71.

The spelling of 135512768898026 in words is "one hundred thirty-five trillion, five hundred twelve billion, seven hundred sixty-eight million, eight hundred ninety-eight thousand, twenty-six".