135787327768 has 32 divisors (see below), whose sum is σ = 257610672000. Its totient is φ = 67092030720.

The previous prime is 135787327747. The next prime is 135787327789. The reversal of 135787327768 is 867723787531.

It is an interprime number because it is at equal distance from previous prime (135787327747) and next prime (135787327789).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198198 + ... + 1306618.

It is an arithmetic number, because the mean of its divisors is an integer number (8050333500).

Almost surely, 2^135787327768 is an apocalyptic number.

It is an amenable number.

135787327768 is a deficient number, since it is larger than the sum of its proper divisors (121823344232).

135787327768 is a wasteful number, since it uses less digits than its factorization.

135787327768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110275 (or 110271 counting only the distinct ones).

The product of its digits is 82978560, while the sum is 64.

The spelling of 135787327768 in words is "one hundred thirty-five billion, seven hundred eighty-seven million, three hundred twenty-seven thousand, seven hundred sixty-eight".