136567 has 4 divisors (see below), whose sum is σ = 140296. Its totient is φ = 132840.

The previous prime is 136559. The next prime is 136573. The reversal of 136567 is 765631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 765631 = 193 ⋅3967.

It is a cyclic number.

It is not a de Polignac number, because 136567 - 2³ = 136559 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136537) 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, 1809 + ... + 1882.

It is an arithmetic number, because the mean of its divisors is an integer number (35074).

2¹³⁶⁵⁶⁷ is an apocalyptic number.

136567 is a deficient number, since it is larger than the sum of its proper divisors (3729).

136567 is an equidigital number, since it uses as much as digits as its factorization.

136567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728.

The product of its digits is 3780, while the sum is 28.

The square root of 136567 is about 369.5497260180. The cubic root of 136567 is about 51.4969992282.

It can be divided in two parts, 136 and 567, that added together give a triangular number (703 = T₃₇).

The spelling of 136567 in words is "one hundred thirty-six thousand, five hundred sixty-seven".