135682235128 has 32 divisors (see below), whose sum is σ = 284300921520. Its totient is φ = 60169504000.

The previous prime is 135682235093. The next prime is 135682235147. The reversal of 135682235128 is 821532286531.

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, 18799363 + ... + 18806578.

Almost surely, 2^135682235128 is an apocalyptic number.

It is an amenable number.

135682235128 is an abundant number, since it is smaller than the sum of its proper divisors (148618686392).

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

135682235128 is a wasteful number, since it uses less digits than its factorization.

135682235128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37605999 (or 37605995 counting only the distinct ones).

The product of its digits is 691200, while the sum is 46.

The spelling of 135682235128 in words is "one hundred thirty-five billion, six hundred eighty-two million, two hundred thirty-five thousand, one hundred twenty-eight".