136564 has 6 divisors (see below), whose sum is σ = 238994. Its totient is φ = 68280.

The previous prime is 136559. The next prime is 136573. The reversal of 136564 is 465631.

It can be written as a sum of positive squares in only one way, i.e., 116964 + 19600 = 342^2 + 140^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17067 + ... + 17074.

2¹³⁶⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

136564 is a deficient number, since it is larger than the sum of its proper divisors (102430).

136564 is a wasteful number, since it uses less digits than its factorization.

136564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34145 (or 34143 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 136564 is about 369.5456670021. The cubic root of 136564 is about 51.4966221431.

The spelling of 136564 in words is "one hundred thirty-six thousand, five hundred sixty-four".