136089 has 6 divisors (see below), whose sum is σ = 196586. Its totient is φ = 90720.

The previous prime is 136069. The next prime is 136093. The reversal of 136089 is 980631.

It can be written as a sum of positive squares in only one way, i.e., 99225 + 36864 = 315^2 + 192^2 .

It is not a de Polignac number, because 136089 - 2⁵ = 136057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136069) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7552 + ... + 7569.

2¹³⁶⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

136089 is a deficient number, since it is larger than the sum of its proper divisors (60497).

136089 is a wasteful number, since it uses less digits than its factorization.

136089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15127 (or 15124 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 136089 is about 368.9024261238. The cubic root of 136089 is about 51.4368472132.

The spelling of 136089 in words is "one hundred thirty-six thousand, eighty-nine".