136867 has 8 divisors (see below), whose sum is σ = 148176. Its totient is φ = 125952.

The previous prime is 136861. The next prime is 136879. The reversal of 136867 is 768631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136867 - 2³ = 136859 is a prime.

It is a Duffinian number.

136867 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (136861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1363 + ... + 1459.

It is an arithmetic number, because the mean of its divisors is an integer number (18522).

2¹³⁶⁸⁶⁷ is an apocalyptic number.

136867 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

136867 is a deficient number, since it is larger than the sum of its proper divisors (11309).

136867 is an equidigital number, since it uses as much as digits as its factorization.

136867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197.

The product of its digits is 6048, while the sum is 31.

The square root of 136867 is about 369.9554027177. The cubic root of 136867 is about 51.5346798809.

The spelling of 136867 in words is "one hundred thirty-six thousand, eight hundred sixty-seven".