136134243 has 32 divisors (see below), whose sum is σ = 231052800. Its totient is φ = 77601888.

The previous prime is 136134241. The next prime is 136134247. The reversal of 136134243 is 342431631.

136134243 is a `hidden beast` number, since 1 + 3 + 613 + 4 + 2 + 43 = 666.

136134243 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 136134243 - 2¹ = 136134241 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (136134241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124005 + ... + 125097.

It is an arithmetic number, because the mean of its divisors is an integer number (7220400).

Almost surely, 2^136134243 is an apocalyptic number.

136134243 is a deficient number, since it is larger than the sum of its proper divisors (94918557).

136134243 is a wasteful number, since it uses less digits than its factorization.

136134243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768 (or 1762 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 136134243 is about 11667.6579912166. The cubic root of 136134243 is about 514.4254666828.

Adding to 136134243 its reverse (342431631), we get a palindrome (478565874).

The spelling of 136134243 in words is "one hundred thirty-six million, one hundred thirty-four thousand, two hundred forty-three".