140234013343441 has 4 divisors (see below), whose sum is σ = 142155027224932. Its totient is φ = 138312999461952.

The previous prime is 140234013343421. The next prime is 140234013343471. The reversal of 140234013343441 is 144343310432041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43020743360400 + 97213269983041 = 6559020^2 + 9859679^2 .

It is a cyclic number.

It is not a de Polignac number, because 140234013343441 - 2¹⁷ = 140234013212369 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 140234013343441.

It is not an unprimeable number, because it can be changed into a prime (140234013343421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960506940636 + ... + 960506940781.

It is an arithmetic number, because the mean of its divisors is an integer number (35538756806233).

Almost surely, 2^{140234013343441} is an apocalyptic number.

It is an amenable number.

140234013343441 is a deficient number, since it is larger than the sum of its proper divisors (1921013881491).

140234013343441 is an equidigital number, since it uses as much as digits as its factorization.

140234013343441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921013881490.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 140234013343441 its reverse (144343310432041), we get a palindrome (284577323775482).

The spelling of 140234013343441 in words is "one hundred forty trillion, two hundred thirty-four billion, thirteen million, three hundred forty-three thousand, four hundred forty-one".