136597575869 has 2 divisors, whose sum is σ = 136597575870. Its totient is φ = 136597575868.

The previous prime is 136597575859. The next prime is 136597575883. The reversal of 136597575869 is 968575795631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84135963844 + 52461612025 = 290062^2 + 229045^2 .

It is a cyclic number.

It is not a de Polignac number, because 136597575869 - 2⁴ = 136597575853 is a prime.

It is a super-2 number, since 2×136597575869² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136597575839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68298787934 + 68298787935.

It is an arithmetic number, because the mean of its divisors is an integer number (68298787935).

Almost surely, 2^136597575869 is an apocalyptic number.

It is an amenable number.

136597575869 is a deficient number, since it is larger than the sum of its proper divisors (1).

136597575869 is an equidigital number, since it uses as much as digits as its factorization.

136597575869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 428652000, while the sum is 71.

The spelling of 136597575869 in words is "one hundred thirty-six billion, five hundred ninety-seven million, five hundred seventy-five thousand, eight hundred sixty-nine".