140500221 has 16 divisors (see below), whose sum is σ = 192445440. Its totient is φ = 91128240.

The previous prime is 140500207. The next prime is 140500271. The reversal of 140500221 is 122005041.

It is not a de Polignac number, because 140500221 - 2¹⁰ = 140499197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140500221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140500201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32950 + ... + 36968.

It is an arithmetic number, because the mean of its divisors is an integer number (12027840).

Almost surely, 2^140500221 is an apocalyptic number.

It is an amenable number.

140500221 is a deficient number, since it is larger than the sum of its proper divisors (51945219).

140500221 is a wasteful number, since it uses less digits than its factorization.

140500221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 140500221 is about 11853.2789134484. The cubic root of 140500221 is about 519.8671023792.

Adding to 140500221 its reverse (122005041), we get a palindrome (262505262).

The spelling of 140500221 in words is "one hundred forty million, five hundred thousand, two hundred twenty-one".