140243301213441 has 64 divisors (see below), whose sum is σ = 197509898826240. Its totient is φ = 88340814397440.

The previous prime is 140243301213373. The next prime is 140243301213443. The reversal of 140243301213441 is 144312103342041.

It is a happy number.

It is not a de Polignac number, because 140243301213441 - 2³⁵ = 140208941475073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140243301213443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9698028951 + ... + 9698043411.

It is an arithmetic number, because the mean of its divisors is an integer number (3086092169160).

Almost surely, 2^{140243301213441} is an apocalyptic number.

It is an amenable number.

140243301213441 is a deficient number, since it is larger than the sum of its proper divisors (57266597612799).

140243301213441 is a wasteful number, since it uses less digits than its factorization.

140243301213441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18426.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 140243301213441 its reverse (144312103342041), we get a palindrome (284555404555482).

The spelling of 140243301213441 in words is "one hundred forty trillion, two hundred forty-three billion, three hundred one million, two hundred thirteen thousand, four hundred forty-one".