135321233670 has 72 divisors (see below), whose sum is σ = 409277703744. Its totient is φ = 30930566688.

The previous prime is 135321233659. The next prime is 135321233683. The reversal of 135321233670 is 76332123531.

135321233670 is a `hidden beast` number, since 1 + 3 + 532 + 1 + 23 + 36 + 70 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15338134 + ... + 15346953.

It is an arithmetic number, because the mean of its divisors is an integer number (5684412552).

Almost surely, 2^135321233670 is an apocalyptic number.

135321233670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135321233670 is an abundant number, since it is smaller than the sum of its proper divisors (273956470074).

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

135321233670 is a wasteful number, since it uses less digits than its factorization.

135321233670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30685114 (or 30685104 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The spelling of 135321233670 in words is "one hundred thirty-five billion, three hundred twenty-one million, two hundred thirty-three thousand, six hundred seventy".