135040832261 has 2 divisors, whose sum is σ = 135040832262. Its totient is φ = 135040832260.

The previous prime is 135040832233. The next prime is 135040832299. The reversal of 135040832261 is 162238040531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95487180100 + 39553652161 = 309010^2 + 198881^2 .

It is a cyclic number.

It is not a de Polignac number, because 135040832261 - 2³⁰ = 133967090437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135040832221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67520416130 + 67520416131.

It is an arithmetic number, because the mean of its divisors is an integer number (67520416131).

Almost surely, 2^135040832261 is an apocalyptic number.

It is an amenable number.

135040832261 is a deficient number, since it is larger than the sum of its proper divisors (1).

135040832261 is an equidigital number, since it uses as much as digits as its factorization.

135040832261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 135040832261 its reverse (162238040531), we get a palindrome (297278872792).

The spelling of 135040832261 in words is "one hundred thirty-five billion, forty million, eight hundred thirty-two thousand, two hundred sixty-one".