140300342453 has 2 divisors, whose sum is σ = 140300342454. Its totient is φ = 140300342452.

The previous prime is 140300342449. The next prime is 140300342459. The reversal of 140300342453 is 354243003041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118627202929 + 21673139524 = 344423^2 + 147218^2 .

It is a cyclic number.

It is not a de Polignac number, because 140300342453 - 2² = 140300342449 is a prime.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70150171226 + 70150171227.

It is an arithmetic number, because the mean of its divisors is an integer number (70150171227).

Almost surely, 2^140300342453 is an apocalyptic number.

It is an amenable number.

140300342453 is a deficient number, since it is larger than the sum of its proper divisors (1).

140300342453 is an equidigital number, since it uses as much as digits as its factorization.

140300342453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 140300342453 its reverse (354243003041), we get a palindrome (494543345494).

The spelling of 140300342453 in words is "one hundred forty billion, three hundred million, three hundred forty-two thousand, four hundred fifty-three".