135413549 has 6 divisors (see below), whose sum is σ = 139923630. Its totient is φ = 131044440.

The previous prime is 135413527. The next prime is 135413563. The reversal of 135413549 is 945314531.

It can be written as a sum of positive squares in only one way, i.e., 121110025 + 14303524 = 11005^2 + 3782^2 .

It is not a de Polignac number, because 135413549 - 2⁸ = 135413293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135413249) 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 in 5 ways as a sum of consecutive naturals, for example, 69494 + ... + 71415.

It is an arithmetic number, because the mean of its divisors is an integer number (23320605).

Almost surely, 2^135413549 is an apocalyptic number.

It is an amenable number.

135413549 is a deficient number, since it is larger than the sum of its proper divisors (4510081).

135413549 is an equidigital number, since it uses as much as digits as its factorization.

135413549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140971 (or 140940 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The square root of 135413549 is about 11636.7327459214. The cubic root of 135413549 is about 513.5160713979.

The spelling of 135413549 in words is "one hundred thirty-five million, four hundred thirteen thousand, five hundred forty-nine".