135448134472 has 32 divisors (see below), whose sum is σ = 290729013120. Its totient is φ = 57952598400.

The previous prime is 135448134469. The next prime is 135448134499. The reversal of 135448134472 is 274431844531.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1978588 + ... + 2045899.

It is an arithmetic number, because the mean of its divisors is an integer number (9085281660).

Almost surely, 2^135448134472 is an apocalyptic number.

It is an amenable number.

135448134472 is an abundant number, since it is smaller than the sum of its proper divisors (155280878648).

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

135448134472 is a wasteful number, since it uses less digits than its factorization.

135448134472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4025101 (or 4025097 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 46.

The spelling of 135448134472 in words is "one hundred thirty-five billion, four hundred forty-eight million, one hundred thirty-four thousand, four hundred seventy-two".