140300342449 has 2 divisors, whose sum is σ = 140300342450. Its totient is φ = 140300342448.

The previous prime is 140300342381. The next prime is 140300342453. The reversal of 140300342449 is 944243003041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95295690000 + 45004652449 = 308700^2 + 212143^2 .

It is a cyclic number.

It is not a de Polignac number, because 140300342449 - 2³⁷ = 2861388977 is a prime.

It is not a weakly prime, because it can be changed into another prime (140300342459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70150171224 + 70150171225.

It is an arithmetic number, because the mean of its divisors is an integer number (70150171225).

Almost surely, 2^140300342449 is an apocalyptic number.

It is an amenable number.

140300342449 is a deficient number, since it is larger than the sum of its proper divisors (1).

140300342449 is an equidigital number, since it uses as much as digits as its factorization.

140300342449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 140300342449 in words is "one hundred forty billion, three hundred million, three hundred forty-two thousand, four hundred forty-nine".