140455251473 has 2 divisors, whose sum is σ = 140455251474. Its totient is φ = 140455251472.

The previous prime is 140455251359. The next prime is 140455251551. The reversal of 140455251473 is 374152554041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138128925649 + 2326325824 = 371657^2 + 48232^2 .

It is a cyclic number.

It is not a de Polignac number, because 140455251473 - 2¹⁰ = 140455250449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140455251473.

It is not a weakly prime, because it can be changed into another prime (140455251073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70227625736 + 70227625737.

It is an arithmetic number, because the mean of its divisors is an integer number (70227625737).

Almost surely, 2^140455251473 is an apocalyptic number.

It is an amenable number.

140455251473 is a deficient number, since it is larger than the sum of its proper divisors (1).

140455251473 is an equidigital number, since it uses as much as digits as its factorization.

140455251473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336000, while the sum is 41.

The spelling of 140455251473 in words is "one hundred forty billion, four hundred fifty-five million, two hundred fifty-one thousand, four hundred seventy-three".