135100697549 has 2 divisors, whose sum is σ = 135100697550. Its totient is φ = 135100697548.

The previous prime is 135100697539. The next prime is 135100697561. The reversal of 135100697549 is 945796001531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83936519524 + 51164178025 = 289718^2 + 226195^2 .

It is a cyclic number.

It is not a de Polignac number, because 135100697549 - 2²⁰ = 135099648973 is a prime.

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 = 135100697497 and 135100697506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135100697519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67550348774 + 67550348775.

It is an arithmetic number, because the mean of its divisors is an integer number (67550348775).

Almost surely, 2^135100697549 is an apocalyptic number.

It is an amenable number.

135100697549 is a deficient number, since it is larger than the sum of its proper divisors (1).

135100697549 is an equidigital number, since it uses as much as digits as its factorization.

135100697549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1020600, while the sum is 50.

The spelling of 135100697549 in words is "one hundred thirty-five billion, one hundred million, six hundred ninety-seven thousand, five hundred forty-nine".