181334134112 has 24 divisors (see below), whose sum is σ = 357782790456. Its totient is φ = 90468663552.

The previous prime is 181334134021. The next prime is 181334134171. The reversal of 181334134112 is 211431433181.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6185258 + ... + 6214505.

It is an arithmetic number, because the mean of its divisors is an integer number (14907616269).

Almost surely, 2^181334134112 is an apocalyptic number.

It is an amenable number.

181334134112 is a deficient number, since it is larger than the sum of its proper divisors (176448656344).

181334134112 is a wasteful number, since it uses less digits than its factorization.

181334134112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12400230 (or 12400222 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

Adding to 181334134112 its reverse (211431433181), we get a palindrome (392765567293).

The spelling of 181334134112 in words is "one hundred eighty-one billion, three hundred thirty-four million, one hundred thirty-four thousand, one hundred twelve".