136472223 has 4 divisors (see below), whose sum is σ = 181962968. Its totient is φ = 90981480.

The previous prime is 136472221. The next prime is 136472267. The reversal of 136472223 is 322274631.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 136472223 - 2¹ = 136472221 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 (136472221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22745368 + ... + 22745373.

It is an arithmetic number, because the mean of its divisors is an integer number (45490742).

Almost surely, 2^136472223 is an apocalyptic number.

136472223 is a deficient number, since it is larger than the sum of its proper divisors (45490745).

136472223 is an equidigital number, since it uses as much as digits as its factorization.

136472223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45490744.

The product of its digits is 12096, while the sum is 30.

The square root of 136472223 is about 11682.1326392059. The cubic root of 136472223 is about 514.8508356138.

The spelling of 136472223 in words is "one hundred thirty-six million, four hundred seventy-two thousand, two hundred twenty-three".