140231344291 has 2 divisors, whose sum is σ = 140231344292. Its totient is φ = 140231344290.

The previous prime is 140231344283. The next prime is 140231344339. The reversal of 140231344291 is 192443132041.

It is a weak prime.

It is an emirp because it is prime and its reverse (192443132041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140231344291 - 2³ = 140231344283 is a prime.

It is not a weakly prime, because it can be changed into another prime (140231344271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70115672145 + 70115672146.

It is an arithmetic number, because the mean of its divisors is an integer number (70115672146).

Almost surely, 2^140231344291 is an apocalyptic number.

140231344291 is a deficient number, since it is larger than the sum of its proper divisors (1).

140231344291 is an equidigital number, since it uses as much as digits as its factorization.

140231344291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 140231344291 in words is "one hundred forty billion, two hundred thirty-one million, three hundred forty-four thousand, two hundred ninety-one".