181133084 has 12 divisors (see below), whose sum is σ = 345799608. Its totient is φ = 82333200.

The previous prime is 181133083. The next prime is 181133089. The reversal of 181133084 is 480331181.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181133083) 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 3 ways as a sum of consecutive naturals, for example, 2058287 + ... + 2058374.

It is an arithmetic number, because the mean of its divisors is an integer number (28816634).

Almost surely, 2^181133084 is an apocalyptic number.

It is an amenable number.

181133084 is a deficient number, since it is larger than the sum of its proper divisors (164666524).

181133084 is a wasteful number, since it uses less digits than its factorization.

181133084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116676 (or 4116674 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 181133084 is about 13458.5691661484. The cubic root of 181133084 is about 565.8038876566.

The spelling of 181133084 in words is "one hundred eighty-one million, one hundred thirty-three thousand, eighty-four".