135061047 has 24 divisors (see below), whose sum is σ = 219939440. Its totient is φ = 81853200.

The previous prime is 135061027. The next prime is 135061061. The reversal of 135061047 is 740160531.

135061047 is a `hidden beast` number, since 1 + 3 + 5 + 0 + 610 + 47 = 666.

135061047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135061047 - 2⁸ = 135060791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135061047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135061027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17404 + ... + 23937.

Almost surely, 2^135061047 is an apocalyptic number.

135061047 is a deficient number, since it is larger than the sum of its proper divisors (84878393).

135061047 is a wasteful number, since it uses less digits than its factorization.

135061047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41372 (or 41355 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 135061047 is about 11621.5767863057. The cubic root of 135061047 is about 513.0700974628.

The spelling of 135061047 in words is "one hundred thirty-five million, sixty-one thousand, forty-seven".