136699533461 has 2 divisors, whose sum is σ = 136699533462. Its totient is φ = 136699533460.

The previous prime is 136699533419. The next prime is 136699533497. The reversal of 136699533461 is 164335996631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105937881361 + 30761652100 = 325481^2 + 175390^2 .

It is a cyclic number.

It is not a de Polignac number, because 136699533461 - 2²⁶ = 136632424597 is a prime.

It is a super-3 number, since 3×136699533461³ (a number of 34 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 136699533397 and 136699533406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136699533161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68349766730 + 68349766731.

It is an arithmetic number, because the mean of its divisors is an integer number (68349766731).

Almost surely, 2^136699533461 is an apocalyptic number.

It is an amenable number.

136699533461 is a deficient number, since it is larger than the sum of its proper divisors (1).

136699533461 is an equidigital number, since it uses as much as digits as its factorization.

136699533461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9447840, while the sum is 56.

The spelling of 136699533461 in words is "one hundred thirty-six billion, six hundred ninety-nine million, five hundred thirty-three thousand, four hundred sixty-one".