140244214 has 16 divisors (see below), whose sum is σ = 230164416. Its totient is φ = 63560200.

The previous prime is 140244211. The next prime is 140244227. The reversal of 140244214 is 412442041.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140244211) 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 7 ways as a sum of consecutive naturals, for example, 1552 + ... + 16819.

It is an arithmetic number, because the mean of its divisors is an integer number (14385276).

Almost surely, 2^140244214 is an apocalyptic number.

140244214 is a deficient number, since it is larger than the sum of its proper divisors (89920202).

140244214 is a wasteful number, since it uses less digits than its factorization.

140244214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18731.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 140244214 is about 11842.4749946960. The cubic root of 140244214 is about 519.5511585490.

Adding to 140244214 its reverse (412442041), we get a palindrome (552686255).

The spelling of 140244214 in words is "one hundred forty million, two hundred forty-four thousand, two hundred fourteen".