140223105 has 48 divisors (see below), whose sum is σ = 268422336. Its totient is φ = 67148160.

The previous prime is 140223101. The next prime is 140223131. The reversal of 140223105 is 501322041.

It is not a de Polignac number, because 140223105 - 2² = 140223101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140223101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39379 + ... + 42791.

It is an arithmetic number, because the mean of its divisors is an integer number (5592132).

Almost surely, 2^140223105 is an apocalyptic number.

140223105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140223105 is a deficient number, since it is larger than the sum of its proper divisors (128199231).

140223105 is a wasteful number, since it uses less digits than its factorization.

140223105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518 (or 3515 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 140223105 is about 11841.5837200942. The cubic root of 140223105 is about 519.5250903180.

Adding to 140223105 its reverse (501322041), we get a palindrome (641545146).

The spelling of 140223105 in words is "one hundred forty million, two hundred twenty-three thousand, one hundred five".