136147 has 4 divisors (see below), whose sum is σ = 148536. Its totient is φ = 123760.

The previous prime is 136139. The next prime is 136163. The reversal of 136147 is 741631.

136147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741631 = 11 ⋅67421.

It is a cyclic number.

It is not a de Polignac number, because 136147 - 2³ = 136139 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

136147 is a lucky number.

It is a plaindrome in base 14.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (136177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6178 + ... + 6199.

It is an arithmetic number, because the mean of its divisors is an integer number (37134).

2¹³⁶¹⁴⁷ is an apocalyptic number.

136147 is a deficient number, since it is larger than the sum of its proper divisors (12389).

136147 is a wasteful number, since it uses less digits than its factorization.

136147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12388.

The product of its digits is 504, while the sum is 22.

The square root of 136147 is about 368.9810293226. The cubic root of 136147 is about 51.4441534942. Note that the first 3 decimals are identical.

Adding to 136147 its reverse (741631), we get a palindrome (877778).

The spelling of 136147 in words is "one hundred thirty-six thousand, one hundred forty-seven".