135787884447 has 32 divisors (see below), whose sum is σ = 193540239360. Its totient is φ = 84582607200.

The previous prime is 135787884391. The next prime is 135787884469. The reversal of 135787884447 is 744488787531.

It is not a de Polignac number, because 135787884447 - 2¹⁰ = 135787883423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135787884247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2565622 + ... + 2618012.

It is an arithmetic number, because the mean of its divisors is an integer number (6048132480).

Almost surely, 2^135787884447 is an apocalyptic number.

135787884447 is a deficient number, since it is larger than the sum of its proper divisors (57752354913).

135787884447 is an frugal number, since it uses more digits than its factorization.

135787884447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52516 (or 52454 counting only the distinct ones).

The product of its digits is 168591360, while the sum is 66.

The spelling of 135787884447 in words is "one hundred thirty-five billion, seven hundred eighty-seven million, eight hundred eighty-four thousand, four hundred forty-seven".