136331323 has 2 divisors, whose sum is σ = 136331324. Its totient is φ = 136331322.

The previous prime is 136331309. The next prime is 136331353. The reversal of 136331323 is 323133631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136331323 - 2⁹ = 136330811 is a prime.

It is not a weakly prime, because it can be changed into another prime (136331353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68165661 + 68165662.

It is an arithmetic number, because the mean of its divisors is an integer number (68165662).

Almost surely, 2^136331323 is an apocalyptic number.

136331323 is a deficient number, since it is larger than the sum of its proper divisors (1).

136331323 is an equidigital number, since it uses as much as digits as its factorization.

136331323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 25.

The square root of 136331323 is about 11676.1005048775. The cubic root of 136331323 is about 514.6735896248.

Adding to 136331323 its reverse (323133631), we get a palindrome (459464954).

It can be divided in two parts, 13 and 6331323, that added together give a palindrome (6331336).

The spelling of 136331323 in words is "one hundred thirty-six million, three hundred thirty-one thousand, three hundred twenty-three".