135777852 has 36 divisors (see below), whose sum is σ = 392247856. Its totient is φ = 38793600.

The previous prime is 135777779. The next prime is 135777881. The reversal of 135777852 is 258777531.

135777852 is a `hidden beast` number, since 1 + 3 + 577 + 78 + 5 + 2 = 666.

135777852 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 (36).

It is a junction number, because it is equal to n+sod(n) for n = 135777798 and 135777807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269149 + ... + 269652.

Almost surely, 2^135777852 is an apocalyptic number.

135777852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135777852 is an abundant number, since it is smaller than the sum of its proper divisors (256470004).

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

135777852 is a wasteful number, since it uses less digits than its factorization.

135777852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538818 (or 538813 counting only the distinct ones).

The product of its digits is 411600, while the sum is 45.

The square root of 135777852 is about 11652.3753801532. The cubic root of 135777852 is about 513.9761630555.

The spelling of 135777852 in words is "one hundred thirty-five million, seven hundred seventy-seven thousand, eight hundred fifty-two".