136123363 has 4 divisors (see below), whose sum is σ = 136807600. Its totient is φ = 135439128.

The previous prime is 136123357. The next prime is 136123381. The reversal of 136123363 is 363321631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 363321631 = 557 ⋅652283.

It is a cyclic number.

It is not a de Polignac number, because 136123363 - 2²⁵ = 102568931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136123343) 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, 341820 + ... + 342217.

It is an arithmetic number, because the mean of its divisors is an integer number (34201900).

Almost surely, 2^136123363 is an apocalyptic number.

136123363 is a deficient number, since it is larger than the sum of its proper divisors (684237).

136123363 is an equidigital number, since it uses as much as digits as its factorization.

136123363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684236.

The product of its digits is 5832, while the sum is 28.

The square root of 136123363 is about 11667.1917358034. The cubic root of 136123363 is about 514.4117618327.

Adding to 136123363 its reverse (363321631), we get a palindrome (499444994).

The spelling of 136123363 in words is "one hundred thirty-six million, one hundred twenty-three thousand, three hundred sixty-three".