135224461 has 2 divisors, whose sum is σ = 135224462. Its totient is φ = 135224460.

The previous prime is 135224431. The next prime is 135224471. The reversal of 135224461 is 164422531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89661961 + 45562500 = 9469^2 + 6750^2 .

It is a cyclic number.

It is not a de Polignac number, because 135224461 - 2¹⁷ = 135093389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135224431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67612230 + 67612231.

It is an arithmetic number, because the mean of its divisors is an integer number (67612231).

Almost surely, 2^135224461 is an apocalyptic number.

It is an amenable number.

135224461 is a deficient number, since it is larger than the sum of its proper divisors (1).

135224461 is an equidigital number, since it uses as much as digits as its factorization.

135224461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 135224461 is about 11628.6052904035. The cubic root of 135224461 is about 513.2769398423.

Adding to 135224461 its reverse (164422531), we get a palindrome (299646992).

The spelling of 135224461 in words is "one hundred thirty-five million, two hundred twenty-four thousand, four hundred sixty-one".