140013042421243 has 2 divisors, whose sum is σ = 140013042421244. Its totient is φ = 140013042421242.

The previous prime is 140013042421237. The next prime is 140013042421331. The reversal of 140013042421243 is 342124240310041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140013042421243 - 2¹⁷ = 140013042290171 is a prime.

It is not a weakly prime, because it can be changed into another prime (140013045421243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70006521210621 + 70006521210622.

It is an arithmetic number, because the mean of its divisors is an integer number (70006521210622).

Almost surely, 2^{140013042421243} is an apocalyptic number.

140013042421243 is a deficient number, since it is larger than the sum of its proper divisors (1).

140013042421243 is an equidigital number, since it uses as much as digits as its factorization.

140013042421243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 140013042421243 its reverse (342124240310041), we get a palindrome (482137282731284).

The spelling of 140013042421243 in words is "one hundred forty trillion, thirteen billion, forty-two million, four hundred twenty-one thousand, two hundred forty-three".