135231555382 has 16 divisors (see below), whose sum is σ = 252900571392. Its totient is φ = 52687618920.

The previous prime is 135231555359. The next prime is 135231555401. The reversal of 135231555382 is 283555132531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439063338 + ... + 439063645.

It is an arithmetic number, because the mean of its divisors is an integer number (15806285712).

Almost surely, 2^135231555382 is an apocalyptic number.

135231555382 is a deficient number, since it is larger than the sum of its proper divisors (117669016010).

135231555382 is a wasteful number, since it uses less digits than its factorization.

135231555382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878127003.

The product of its digits is 540000, while the sum is 43.

The spelling of 135231555382 in words is "one hundred thirty-five billion, two hundred thirty-one million, five hundred fifty-five thousand, three hundred eighty-two".