135449968 has 10 divisors (see below), whose sum is σ = 262434344. Its totient is φ = 67724976.

The previous prime is 135449959. The next prime is 135449969. The reversal of 135449968 is 869944531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135449969) 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, 4232796 + ... + 4232827.

Almost surely, 2^135449968 is an apocalyptic number.

It is an amenable number.

135449968 is a deficient number, since it is larger than the sum of its proper divisors (126984376).

135449968 is an equidigital number, since it uses as much as digits as its factorization.

135449968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8465631 (or 8465625 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 135449968 is about 11638.2974699910. The cubic root of 135449968 is about 513.5621033881.

The spelling of 135449968 in words is "one hundred thirty-five million, four hundred forty-nine thousand, nine hundred sixty-eight".