136353031813 has 2 divisors, whose sum is σ = 136353031814. Its totient is φ = 136353031812.

The previous prime is 136353031733. The next prime is 136353031817. The reversal of 136353031813 is 318130353631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118954630404 + 17398401409 = 344898^2 + 131903^2 .

It is a cyclic number.

It is not a de Polignac number, because 136353031813 - 2⁹ = 136353031301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136353031817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68176515906 + 68176515907.

It is an arithmetic number, because the mean of its divisors is an integer number (68176515907).

Almost surely, 2^136353031813 is an apocalyptic number.

It is an amenable number.

136353031813 is a deficient number, since it is larger than the sum of its proper divisors (1).

136353031813 is an equidigital number, since it uses as much as digits as its factorization.

136353031813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 136353031813 in words is "one hundred thirty-six billion, three hundred fifty-three million, thirty-one thousand, eight hundred thirteen".