133333334688 has 48 divisors (see below), whose sum is σ = 356603790816. Its totient is φ = 43605868800.

The previous prime is 133333334681. The next prime is 133333334723. The reversal of 133333334688 is 886433333331.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (133333334681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13097638 + ... + 13107813.

It is an arithmetic number, because the mean of its divisors is an integer number (7429245642).

Almost surely, 2^133333334688 is an apocalyptic number.

It is an amenable number.

133333334688 is an abundant number, since it is smaller than the sum of its proper divisors (223270456128).

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

133333334688 is a wasteful number, since it uses less digits than its factorization.

133333334688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26205517 (or 26205509 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 48.

The spelling of 133333334688 in words is "one hundred thirty-three billion, three hundred thirty-three million, three hundred thirty-four thousand, six hundred eighty-eight".