140216105 has 16 divisors (see below), whose sum is σ = 181440000. Its totient is φ = 103674240.

The previous prime is 140216101. The next prime is 140216147. The reversal of 140216105 is 501612041.

It is not a de Polignac number, because 140216105 - 2² = 140216101 is a prime.

It is a super-2 number, since 2×140216105² = 39321112202742050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140216101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14105 + ... + 21894.

It is an arithmetic number, because the mean of its divisors is an integer number (11340000).

Almost surely, 2^140216105 is an apocalyptic number.

It is an amenable number.

140216105 is a deficient number, since it is larger than the sum of its proper divisors (41223895).

140216105 is a wasteful number, since it uses less digits than its factorization.

140216105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36064.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 140216105 is about 11841.2881478326. The cubic root of 140216105 is about 519.5164451993.

Adding to 140216105 its reverse (501612041), we get a palindrome (641828146).

The spelling of 140216105 in words is "one hundred forty million, two hundred sixteen thousand, one hundred five".