136726223 has 12 divisors (see below), whose sum is σ = 152796240. Its totient is φ = 121905216.

The previous prime is 136726201. The next prime is 136726241. The reversal of 136726223 is 322627631.

It is not a de Polignac number, because 136726223 - 2⁶ = 136726159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136726223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136720223) 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 11 ways as a sum of consecutive naturals, for example, 5003 + ... + 17276.

It is an arithmetic number, because the mean of its divisors is an integer number (12733020).

Almost surely, 2^136726223 is an apocalyptic number.

136726223 is a deficient number, since it is larger than the sum of its proper divisors (16070017).

136726223 is a wasteful number, since it uses less digits than its factorization.

136726223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22334 (or 22315 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 136726223 is about 11692.9988882237. The cubic root of 136726223 is about 515.1700484735.

The spelling of 136726223 in words is "one hundred thirty-six million, seven hundred twenty-six thousand, two hundred twenty-three".