135239320782 has 12 divisors (see below), whose sum is σ = 293018528400. Its totient is φ = 45079773588.

The previous prime is 135239320759. The next prime is 135239320813. The reversal of 135239320782 is 287023932531.

135239320782 is a `hidden beast` number, since 1 + 3 + 52 + 393 + 207 + 8 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3756647782 + ... + 3756647817.

It is an arithmetic number, because the mean of its divisors is an integer number (24418210700).

Almost surely, 2^135239320782 is an apocalyptic number.

135239320782 is an abundant number, since it is smaller than the sum of its proper divisors (157779207618).

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

135239320782 is a wasteful number, since it uses less digits than its factorization.

135239320782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7513295607 (or 7513295604 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 135239320782 in words is "one hundred thirty-five billion, two hundred thirty-nine million, three hundred twenty thousand, seven hundred eighty-two".