136437223 has 8 divisors (see below), whose sum is σ = 155575728. Its totient is φ = 118533504.

The previous prime is 136437209. The next prime is 136437227. The reversal of 136437223 is 322734631.

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 136437223 - 2¹⁷ = 136306151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136437227) 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, 308461 + ... + 308902.

It is an arithmetic number, because the mean of its divisors is an integer number (19446966).

Almost surely, 2^136437223 is an apocalyptic number.

136437223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

136437223 is a deficient number, since it is larger than the sum of its proper divisors (19138505).

136437223 is a wasteful number, since it uses less digits than its factorization.

136437223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617393.

The product of its digits is 18144, while the sum is 31.

The square root of 136437223 is about 11680.6345289971. The cubic root of 136437223 is about 514.8068185493.

The spelling of 136437223 in words is "one hundred thirty-six million, four hundred thirty-seven thousand, two hundred twenty-three".