135905052 has 12 divisors (see below), whose sum is σ = 317111816. Its totient is φ = 45301680.

The previous prime is 135905039. The next prime is 135905083. The reversal of 135905052 is 250509531.

135905052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5662699 + ... + 5662722.

Almost surely, 2^135905052 is an apocalyptic number.

135905052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135905052 is an abundant number, since it is smaller than the sum of its proper divisors (181206764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135905052 is a wasteful number, since it uses less digits than its factorization.

135905052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11325428 (or 11325426 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 135905052 is about 11657.8322170119. The cubic root of 135905052 is about 514.1366147585.

The spelling of 135905052 in words is "one hundred thirty-five million, nine hundred five thousand, fifty-two".