140444414431243 has 16 divisors (see below), whose sum is σ = 156315580517376. Its totient is φ = 125307326178720.

The previous prime is 140444414431183. The next prime is 140444414431247. The reversal of 140444414431243 is 342134414444041.

It is a cyclic number.

It is not a de Polignac number, because 140444414431243 - 2²¹ = 140444412334091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140444414431243.

It is not an unprimeable number, because it can be changed into a prime (140444414431247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210366421 + ... + 211032982.

It is an arithmetic number, because the mean of its divisors is an integer number (9769723782336).

Almost surely, 2^{140444414431243} is an apocalyptic number.

140444414431243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140444414431243 is a deficient number, since it is larger than the sum of its proper divisors (15871166086133).

140444414431243 is a wasteful number, since it uses less digits than its factorization.

140444414431243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421400274.

The product of its (nonzero) digits is 1179648, while the sum is 43.

Adding to 140444414431243 its reverse (342134414444041), we get a palindrome (482578828875284).

The spelling of 140444414431243 in words is "one hundred forty trillion, four hundred forty-four billion, four hundred fourteen million, four hundred thirty-one thousand, two hundred forty-three".