133318282185 has 48 divisors (see below), whose sum is σ = 260515463040. Its totient is φ = 64639159200.

The previous prime is 133318282183. The next prime is 133318282217. The reversal of 133318282185 is 581282813331.

133318282185 is a `hidden beast` number, since 133 + 318 + 28 + 2 + 185 = 666.

It is not a de Polignac number, because 133318282185 - 2¹ = 133318282183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 133318282185.

It is not an unprimeable number, because it can be changed into a prime (133318282183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4064421 + ... + 4097090.

It is an arithmetic number, because the mean of its divisors is an integer number (5427405480).

Almost surely, 2^133318282185 is an apocalyptic number.

133318282185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133318282185 is a deficient number, since it is larger than the sum of its proper divisors (127197180855).

133318282185 is a wasteful number, since it uses less digits than its factorization.

133318282185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8161547 (or 8161530 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The spelling of 133318282185 in words is "one hundred thirty-three billion, three hundred eighteen million, two hundred eighty-two thousand, one hundred eighty-five".