135649248 has 72 divisors (see below), whose sum is σ = 414229032. Its totient is φ = 38755584.

The previous prime is 135649237. The next prime is 135649253. The reversal of 135649248 is 842946531.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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, 9715 + ... + 19122.

It is an arithmetic number, because the mean of its divisors is an integer number (5753181).

Almost surely, 2^135649248 is an apocalyptic number.

It is an amenable number.

135649248 is an abundant number, since it is smaller than the sum of its proper divisors (278579784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135649248 is a wasteful number, since it uses less digits than its factorization.

135649248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28864 (or 28849 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 135649248 is about 11646.8557130240. The cubic root of 135649248 is about 513.8138384213.

The spelling of 135649248 in words is "one hundred thirty-five million, six hundred forty-nine thousand, two hundred forty-eight".