135268620984 has 96 divisors (see below), whose sum is σ = 424424164320. Its totient is φ = 38118739968.

The previous prime is 135268620973. The next prime is 135268621009. The reversal of 135268620984 is 489026862531.

135268620984 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 6 + 8 + 620 + 9 + 8 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 135268620984.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1801497 + ... + 1875080.

It is an arithmetic number, because the mean of its divisors is an integer number (4421085045).

Almost surely, 2^135268620984 is an apocalyptic number.

135268620984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

135268620984 is an abundant number, since it is smaller than the sum of its proper divisors (289155543336).

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

135268620984 is a wasteful number, since it uses less digits than its factorization.

135268620984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676669 (or 3676662 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 135268620984 in words is "one hundred thirty-five billion, two hundred sixty-eight million, six hundred twenty thousand, nine hundred eighty-four".