135428373267144 has 64 divisors (see below), whose sum is σ = 339303435494400. Its totient is φ = 45045128399424.

The previous prime is 135428373267133. The next prime is 135428373267181. The reversal of 135428373267144 is 441762373824531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645016309 + ... + 645226235.

It is an arithmetic number, because the mean of its divisors is an integer number (5301616179600).

Almost surely, 2^{135428373267144} is an apocalyptic number.

It is an amenable number.

135428373267144 is an abundant number, since it is smaller than the sum of its proper divisors (203875062227256).

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

135428373267144 is a wasteful number, since it uses less digits than its factorization.

135428373267144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267962 (or 267958 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 60.

The spelling of 135428373267144 in words is "one hundred thirty-five trillion, four hundred twenty-eight billion, three hundred seventy-three million, two hundred sixty-seven thousand, one hundred forty-four".