135505441 has 2 divisors, whose sum is σ = 135505442. Its totient is φ = 135505440.

The previous prime is 135505393. The next prime is 135505457. The reversal of 135505441 is 144505531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135140625 + 364816 = 11625^2 + 604^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135505441 is a prime.

It is not a weakly prime, because it can be changed into another prime (135505481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67752720 + 67752721.

It is an arithmetic number, because the mean of its divisors is an integer number (67752721).

Almost surely, 2^135505441 is an apocalyptic number.

It is an amenable number.

135505441 is a deficient number, since it is larger than the sum of its proper divisors (1).

135505441 is an equidigital number, since it uses as much as digits as its factorization.

135505441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 135505441 is about 11640.6804354385. The cubic root of 135505441 is about 513.6322029304.

The spelling of 135505441 in words is "one hundred thirty-five million, five hundred five thousand, four hundred forty-one".