13200134328 has 64 divisors (see below), whose sum is σ = 38596896000. Its totient is φ = 4168462176.

The previous prime is 13200134291. The next prime is 13200134371. The reversal of 13200134328 is 82343100231.

13200134328 is a `hidden beast` number, since 1 + 3 + 200 + 134 + 328 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1604100 + ... + 1612307.

It is an arithmetic number, because the mean of its divisors is an integer number (603076500).

Almost surely, 2^13200134328 is an apocalyptic number.

13200134328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13200134328 is an abundant number, since it is smaller than the sum of its proper divisors (25396761672).

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

13200134328 is a wasteful number, since it uses less digits than its factorization.

13200134328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216441 (or 3216431 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 13200134328 its reverse (82343100231), we get a palindrome (95543234559).

The spelling of 13200134328 in words is "thirteen billion, two hundred million, one hundred thirty-four thousand, three hundred twenty-eight".