135200322461 has 2 divisors, whose sum is σ = 135200322462. Its totient is φ = 135200322460.

The previous prime is 135200322443. The next prime is 135200322497. The reversal of 135200322461 is 164223002531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69310566361 + 65889756100 = 263269^2 + 256690^2 .

It is a cyclic number.

It is not a de Polignac number, because 135200322461 - 2²⁶ = 135133213597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135200342461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67600161230 + 67600161231.

It is an arithmetic number, because the mean of its divisors is an integer number (67600161231).

Almost surely, 2^135200322461 is an apocalyptic number.

It is an amenable number.

135200322461 is a deficient number, since it is larger than the sum of its proper divisors (1).

135200322461 is an equidigital number, since it uses as much as digits as its factorization.

135200322461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 135200322461 its reverse (164223002531), we get a palindrome (299423324992).

The spelling of 135200322461 in words is "one hundred thirty-five billion, two hundred million, three hundred twenty-two thousand, four hundred sixty-one".