135442048 has 32 divisors (see below), whose sum is σ = 308374560. Its totient is φ = 58046208.

The previous prime is 135442033. The next prime is 135442057. The reversal of 135442048 is 840244531.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74686 + ... + 76477.

It is an arithmetic number, because the mean of its divisors is an integer number (9636705).

Almost surely, 2^135442048 is an apocalyptic number.

It is an amenable number.

135442048 is an abundant number, since it is smaller than the sum of its proper divisors (172932512).

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

135442048 is an equidigital number, since it uses as much as digits as its factorization.

135442048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151184 (or 151172 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 135442048 is about 11637.9572090638. The cubic root of 135442048 is about 513.5520935638.

Adding to 135442048 its reverse (840244531), we get a palindrome (975686579).

The spelling of 135442048 in words is "one hundred thirty-five million, four hundred forty-two thousand, forty-eight".