136246823 has 4 divisors (see below), whose sum is σ = 144261360. Its totient is φ = 128232288.

The previous prime is 136246811. The next prime is 136246837. The reversal of 136246823 is 328642631.

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

It is a cyclic number.

It is not a de Polignac number, because 136246823 - 2¹⁴ = 136230439 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 (136246883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4007243 + ... + 4007276.

It is an arithmetic number, because the mean of its divisors is an integer number (36065340).

Almost surely, 2^136246823 is an apocalyptic number.

136246823 is a deficient number, since it is larger than the sum of its proper divisors (8014537).

136246823 is an equidigital number, since it uses as much as digits as its factorization.

136246823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8014536.

The product of its digits is 41472, while the sum is 35.

The square root of 136246823 is about 11672.4814414074. The cubic root of 136246823 is about 514.5672337616.

The spelling of 136246823 in words is "one hundred thirty-six million, two hundred forty-six thousand, eight hundred twenty-three".