135404513 has 2 divisors, whose sum is σ = 135404514.
Its totient is φ = 135404512.
The previous prime is 135404501. The next prime is 135404551. The reversal of 135404513 is 315404531.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 121506529 + 13897984 = 11023^2 + 3728^2
It is a cyclic number.
It is not a de Polignac number, because 135404513 - 26 = 135404449 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (135404573) 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, 67702256 + 67702257.
It is an arithmetic number, because the mean of its divisors is an integer number (67702257).
Almost surely, 2135404513 is an apocalyptic number.
It is an amenable number.
135404513 is a deficient number, since it is larger than the sum of its proper divisors (1).
135404513 is an equidigital number, since it uses as much as digits as its factorization.
135404513 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 135404513 is about 11636.3444861348.
The cubic root of 135404513 is about 513.5046490194.
The spelling of 135404513 in words is "one hundred thirty-five million, four hundred four thousand, five hundred thirteen".