136436867 has 8 divisors (see below), whose sum is σ = 156015456. Its totient is φ = 116880192.

The previous prime is 136436863. The next prime is 136436869. The reversal of 136436867 is 768634631.

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 136436867 - 2² = 136436863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136436863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11303 + ... + 20015.

It is an arithmetic number, because the mean of its divisors is an integer number (19501932).

Almost surely, 2^136436867 is an apocalyptic number.

136436867 is a deficient number, since it is larger than the sum of its proper divisors (19578589).

136436867 is an equidigital number, since it uses as much as digits as its factorization.

136436867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10957.

The product of its digits is 435456, while the sum is 44.

The square root of 136436867 is about 11680.6192900890. The cubic root of 136436867 is about 514.8063707942.

The spelling of 136436867 in words is "one hundred thirty-six million, four hundred thirty-six thousand, eight hundred sixty-seven".