136131313 has 2 divisors, whose sum is σ = 136131314. Its totient is φ = 136131312.

The previous prime is 136131277. The next prime is 136131329. The reversal of 136131313 is 313131631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134838544 + 1292769 = 11612^2 + 1137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136131313 is a prime.

It is not a weakly prime, because it can be changed into another prime (136138313) 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 as a sum of consecutive naturals, namely, 68065656 + 68065657.

It is an arithmetic number, because the mean of its divisors is an integer number (68065657).

Almost surely, 2^136131313 is an apocalyptic number.

It is an amenable number.

136131313 is a deficient number, since it is larger than the sum of its proper divisors (1).

136131313 is an equidigital number, since it uses as much as digits as its factorization.

136131313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486, while the sum is 22.

The square root of 136131313 is about 11667.5324297814. The cubic root of 136131313 is about 514.4217760184.

Adding to 136131313 its reverse (313131631), we get a palindrome (449262944).

The spelling of 136131313 in words is "one hundred thirty-six million, one hundred thirty-one thousand, three hundred thirteen".