140224111 has 2 divisors, whose sum is σ = 140224112. Its totient is φ = 140224110.

The previous prime is 140224093. The next prime is 140224151. The reversal of 140224111 is 111422041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140224111 - 2²¹ = 138126959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140224151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70112055 + 70112056.

It is an arithmetic number, because the mean of its divisors is an integer number (70112056).

Almost surely, 2^140224111 is an apocalyptic number.

140224111 is a deficient number, since it is larger than the sum of its proper divisors (1).

140224111 is an equidigital number, since it uses as much as digits as its factorization.

140224111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 140224111 is about 11841.6261974443. The cubic root of 140224111 is about 519.5263327214.

Adding to 140224111 its reverse (111422041), we get a palindrome (251646152).

The spelling of 140224111 in words is "one hundred forty million, two hundred twenty-four thousand, one hundred eleven".