140286023473 has 2 divisors, whose sum is σ = 140286023474. Its totient is φ = 140286023472.

The previous prime is 140286023467. The next prime is 140286023491. The reversal of 140286023473 is 374320682041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125105812209 + 15180211264 = 353703^2 + 123208^2 .

It is a cyclic number.

It is not a de Polignac number, because 140286023473 - 2⁵ = 140286023441 is a prime.

It is not a weakly prime, because it can be changed into another prime (140286023453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70143011736 + 70143011737.

It is an arithmetic number, because the mean of its divisors is an integer number (70143011737).

Almost surely, 2^140286023473 is an apocalyptic number.

It is an amenable number.

140286023473 is a deficient number, since it is larger than the sum of its proper divisors (1).

140286023473 is an equidigital number, since it uses as much as digits as its factorization.

140286023473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 140286023473 in words is "one hundred forty billion, two hundred eighty-six million, twenty-three thousand, four hundred seventy-three".