135381282787 has 16 divisors (see below), whose sum is σ = 148161283200. Its totient is φ = 123260132160.

The previous prime is 135381282769. The next prime is 135381282797. The reversal of 135381282787 is 787282183531.

It is a cyclic number.

It is not a de Polignac number, because 135381282787 - 2¹¹ = 135381280739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135381282797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1244737 + ... + 1349122.

It is an arithmetic number, because the mean of its divisors is an integer number (9260080200).

Almost surely, 2^135381282787 is an apocalyptic number.

135381282787 is a deficient number, since it is larger than the sum of its proper divisors (12780000413).

135381282787 is a wasteful number, since it uses less digits than its factorization.

135381282787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593986.

The product of its digits is 4515840, while the sum is 55.

The spelling of 135381282787 in words is "one hundred thirty-five billion, three hundred eighty-one million, two hundred eighty-two thousand, seven hundred eighty-seven".