181140014 has 8 divisors (see below), whose sum is σ = 296410968. Its totient is φ = 82336360.

The previous prime is 181140013. The next prime is 181140067. The reversal of 181140014 is 410041181.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181140013) 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, 4116797 + ... + 4116840.

It is an arithmetic number, because the mean of its divisors is an integer number (37051371).

Almost surely, 2^181140014 is an apocalyptic number.

181140014 is a deficient number, since it is larger than the sum of its proper divisors (115270954).

181140014 is a wasteful number, since it uses less digits than its factorization.

181140014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8233650.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 181140014 is about 13458.8266204748. The cubic root of 181140014 is about 565.8111032921.

Adding to 181140014 its reverse (410041181), we get a palindrome (591181195).

The spelling of 181140014 in words is "one hundred eighty-one million, one hundred forty thousand, fourteen".