135021423200 has 72 divisors (see below), whose sum is σ = 329684758200. Its totient is φ = 53998131200.

The previous prime is 135021423083. The next prime is 135021423239. The reversal of 135021423200 is 2324120531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5146115 + ... + 5172285.

It is an arithmetic number, because the mean of its divisors is an integer number (4578954975).

Almost surely, 2^135021423200 is an apocalyptic number.

135021423200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135021423200 is an abundant number, since it is smaller than the sum of its proper divisors (194663335000).

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

135021423200 is a wasteful number, since it uses less digits than its factorization.

135021423200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32640 (or 32627 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 135021423200 its reverse (2324120531), we get a palindrome (137345543731).

The spelling of 135021423200 in words is "one hundred thirty-five billion, twenty-one million, four hundred twenty-three thousand, two hundred".