135823643132 has 12 divisors (see below), whose sum is σ = 237725956776. Its totient is φ = 67901941200.

The previous prime is 135823643117. The next prime is 135823643149. The reversal of 135823643132 is 231346328531.

It is a self number, because there is not a number n which added to its sum of digits gives 135823643132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2439119 + ... + 2494182.

It is an arithmetic number, because the mean of its divisors is an integer number (19810496398).

Almost surely, 2^135823643132 is an apocalyptic number.

It is an amenable number.

135823643132 is a deficient number, since it is larger than the sum of its proper divisors (101902313644).

135823643132 is a wasteful number, since it uses less digits than its factorization.

135823643132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940188 (or 4940186 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The spelling of 135823643132 in words is "one hundred thirty-five billion, eight hundred twenty-three million, six hundred forty-three thousand, one hundred thirty-two".