136463787793 has 2 divisors, whose sum is σ = 136463787794. Its totient is φ = 136463787792.

The previous prime is 136463787731. The next prime is 136463787827. The reversal of 136463787793 is 397787364631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106656455889 + 29807331904 = 326583^2 + 172648^2 .

It is a cyclic number.

It is not a de Polignac number, because 136463787793 - 2³³ = 127873853201 is a prime.

It is not a weakly prime, because it can be changed into another prime (136463727793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68231893896 + 68231893897.

It is an arithmetic number, because the mean of its divisors is an integer number (68231893897).

Almost surely, 2^136463787793 is an apocalyptic number.

It is an amenable number.

136463787793 is a deficient number, since it is larger than the sum of its proper divisors (1).

136463787793 is an equidigital number, since it uses as much as digits as its factorization.

136463787793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96018048, while the sum is 64.

The spelling of 136463787793 in words is "one hundred thirty-six billion, four hundred sixty-three million, seven hundred eighty-seven thousand, seven hundred ninety-three".