136212365326243 has 4 divisors (see below), whose sum is σ = 136552047035688. Its totient is φ = 135872683616800.

The previous prime is 136212365326223. The next prime is 136212365326249. The reversal of 136212365326243 is 342623563212631.

It is a happy number.

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 136212365326243 - 2⁵ = 136212365326211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136212365326249) 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, 169840854121 + ... + 169840854922.

It is an arithmetic number, because the mean of its divisors is an integer number (34138011758922).

Almost surely, 2^{136212365326243} is an apocalyptic number.

136212365326243 is a deficient number, since it is larger than the sum of its proper divisors (339681709445).

136212365326243 is an equidigital number, since it uses as much as digits as its factorization.

136212365326243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339681709444.

The product of its digits is 5598720, while the sum is 49.

The spelling of 136212365326243 in words is "one hundred thirty-six trillion, two hundred twelve billion, three hundred sixty-five million, three hundred twenty-six thousand, two hundred forty-three".