140224311 has 8 divisors (see below), whose sum is σ = 207739760. Its totient is φ = 93482856.

The previous prime is 140224291. The next prime is 140224319. The reversal of 140224311 is 113422041.

It is not a de Polignac number, because 140224311 - 2¹⁴ = 140207927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140224319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2596720 + ... + 2596773.

It is an arithmetic number, because the mean of its divisors is an integer number (25967470).

Almost surely, 2^140224311 is an apocalyptic number.

140224311 is a deficient number, since it is larger than the sum of its proper divisors (67515449).

140224311 is an equidigital number, since it uses as much as digits as its factorization.

140224311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193502 (or 5193496 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 140224311 is about 11841.6346422274. The cubic root of 140224311 is about 519.5265797194.

Adding to 140224311 its reverse (113422041), we get a palindrome (253646352).

The spelling of 140224311 in words is "one hundred forty million, two hundred twenty-four thousand, three hundred eleven".