135819765516 has 48 divisors (see below), whose sum is σ = 323213546880. Its totient is φ = 44377572480.

The previous prime is 135819765463. The next prime is 135819765583. The reversal of 135819765516 is 615567918531.

It is an unprimeable number.

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, 30745 + ... + 522096.

It is an arithmetic number, because the mean of its divisors is an integer number (6733615560).

Almost surely, 2^135819765516 is an apocalyptic number.

It is an amenable number.

135819765516 is an abundant number, since it is smaller than the sum of its proper divisors (187393781364).

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

135819765516 is a wasteful number, since it uses less digits than its factorization.

135819765516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553254 (or 553252 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 57.

The spelling of 135819765516 in words is "one hundred thirty-five billion, eight hundred nineteen million, seven hundred sixty-five thousand, five hundred sixteen".