135306549 has 24 divisors (see below), whose sum is σ = 223728960. Its totient is φ = 77191488.

The previous prime is 135306541. The next prime is 135306551. The reversal of 135306549 is 945603531.

It is not a de Polignac number, because 135306549 - 2³ = 135306541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135306541) 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 in 23 ways as a sum of consecutive naturals, for example, 48217 + ... + 50945.

It is an arithmetic number, because the mean of its divisors is an integer number (9322040).

Almost surely, 2^135306549 is an apocalyptic number.

It is an amenable number.

135306549 is a deficient number, since it is larger than the sum of its proper divisors (88422411).

135306549 is a wasteful number, since it uses less digits than its factorization.

135306549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529 (or 3526 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 135306549 is about 11632.1343269410. The cubic root of 135306549 is about 513.3807804104.

The spelling of 135306549 in words is "one hundred thirty-five million, three hundred six thousand, five hundred forty-nine".