140444311 has 16 divisors (see below), whose sum is σ = 166053888. Its totient is φ = 116280000.

The previous prime is 140444309. The next prime is 140444357. The reversal of 140444311 is 113444041.

It is a cyclic number.

It is not a de Polignac number, because 140444311 - 2¹ = 140444309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140444411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27186 + ... + 31936.

It is an arithmetic number, because the mean of its divisors is an integer number (10378368).

Almost surely, 2^140444311 is an apocalyptic number.

140444311 is a deficient number, since it is larger than the sum of its proper divisors (25609577).

140444311 is a wasteful number, since it uses less digits than its factorization.

140444311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 140444311 is about 11850.9202596254. The cubic root of 140444311 is about 519.7981354035.

Adding to 140444311 its reverse (113444041), we get a palindrome (253888352).

The spelling of 140444311 in words is "one hundred forty million, four hundred forty-four thousand, three hundred eleven".