135772056 has 48 divisors (see below), whose sum is σ = 420248400. Its totient is φ = 38791872.

The previous prime is 135772019. The next prime is 135772057. The reversal of 135772056 is 650277531.

135772056 is a `hidden beast` number, since 13 + 577 + 20 + 56 = 666.

135772056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 135772056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135772057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134191 + ... + 135198.

It is an arithmetic number, because the mean of its divisors is an integer number (8755175).

Almost surely, 2^135772056 is an apocalyptic number.

It is an amenable number.

135772056 is an abundant number, since it is smaller than the sum of its proper divisors (284476344).

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

135772056 is a wasteful number, since it uses less digits than its factorization.

135772056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269408 (or 269401 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 135772056 is about 11652.1266728439. The cubic root of 135772056 is about 513.9688495205.

The spelling of 135772056 in words is "one hundred thirty-five million, seven hundred seventy-two thousand, fifty-six".