135404653 has 2 divisors, whose sum is σ = 135404654. Its totient is φ = 135404652.

The previous prime is 135404617. The next prime is 135404669. The reversal of 135404653 is 356404531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99560484 + 35844169 = 9978^2 + 5987^2 .

It is a cyclic number.

It is not a de Polignac number, because 135404653 - 2²¹ = 133307501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135404153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67702326 + 67702327.

It is an arithmetic number, because the mean of its divisors is an integer number (67702327).

Almost surely, 2^135404653 is an apocalyptic number.

It is an amenable number.

135404653 is a deficient number, since it is larger than the sum of its proper divisors (1).

135404653 is an equidigital number, since it uses as much as digits as its factorization.

135404653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 135404653 is about 11636.3505017682. The cubic root of 135404653 is about 513.5048259968.

The spelling of 135404653 in words is "one hundred thirty-five million, four hundred four thousand, six hundred fifty-three".