140243241430403 has 4 divisors (see below), whose sum is σ = 144767216960448. Its totient is φ = 135719265900360.

The previous prime is 140243241430399. The next prime is 140243241430483. The reversal of 140243241430403 is 304034142342041.

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

It is a cyclic number.

It is not a de Polignac number, because 140243241430403 - 2² = 140243241430399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140243241430483) 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, 2261987764976 + ... + 2261987765037.

It is an arithmetic number, because the mean of its divisors is an integer number (36191804240112).

Almost surely, 2^{140243241430403} is an apocalyptic number.

140243241430403 is a deficient number, since it is larger than the sum of its proper divisors (4523975530045).

140243241430403 is an equidigital number, since it uses as much as digits as its factorization.

140243241430403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4523975530044.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 140243241430403 its reverse (304034142342041), we get a palindrome (444277383772444).

The spelling of 140243241430403 in words is "one hundred forty trillion, two hundred forty-three billion, two hundred forty-one million, four hundred thirty thousand, four hundred three".