135405234512 has 20 divisors (see below), whose sum is σ = 264262592436. Its totient is φ = 67208436480.

The previous prime is 135405234469. The next prime is 135405234527. The reversal of 135405234512 is 215432504531.

It can be written as a sum of positive squares in 2 ways, for example, as 27087893056 + 108317341456 = 164584^2 + 329116^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30884039 + ... + 30888422.

Almost surely, 2^135405234512 is an apocalyptic number.

It is an amenable number.

135405234512 is a deficient number, since it is larger than the sum of its proper divisors (128857357924).

135405234512 is a wasteful number, since it uses less digits than its factorization.

135405234512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61772606 (or 61772600 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 135405234512 in words is "one hundred thirty-five billion, four hundred five million, two hundred thirty-four thousand, five hundred twelve".