135224649 has 12 divisors (see below), whose sum is σ = 223228096. Its totient is φ = 77271192.

The previous prime is 135224641. The next prime is 135224699. The reversal of 135224649 is 946422531.

It is a happy number.

135224649 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 2 + 4 + 649 = 666.

It is not a de Polignac number, because 135224649 - 2³ = 135224641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135224641) 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 11 ways as a sum of consecutive naturals, for example, 1073149 + ... + 1073274.

Almost surely, 2^135224649 is an apocalyptic number.

It is an amenable number.

135224649 is a deficient number, since it is larger than the sum of its proper divisors (88003447).

135224649 is a wasteful number, since it uses less digits than its factorization.

135224649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146436 (or 2146433 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 135224649 is about 11628.6133739152. The cubic root of 135224649 is about 513.2771777086.

The spelling of 135224649 in words is "one hundred thirty-five million, two hundred twenty-four thousand, six hundred forty-nine".