136163600509 has 2 divisors, whose sum is σ = 136163600510. Its totient is φ = 136163600508.

The previous prime is 136163600459. The next prime is 136163600527. The reversal of 136163600509 is 905006361631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131480935609 + 4682664900 = 362603^2 + 68430^2 .

It is a cyclic number.

It is not a de Polignac number, because 136163600509 - 2¹⁷ = 136163469437 is a prime.

It is a super-2 number, since 2×136163600509² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136163600579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68081800254 + 68081800255.

It is an arithmetic number, because the mean of its divisors is an integer number (68081800255).

Almost surely, 2^136163600509 is an apocalyptic number.

It is an amenable number.

136163600509 is a deficient number, since it is larger than the sum of its proper divisors (1).

136163600509 is an equidigital number, since it uses as much as digits as its factorization.

136163600509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The spelling of 136163600509 in words is "one hundred thirty-six billion, one hundred sixty-three million, six hundred thousand, five hundred nine".