140403874717 has 2 divisors, whose sum is σ = 140403874718. Its totient is φ = 140403874716.

The previous prime is 140403874711. The next prime is 140403874771. The reversal of 140403874717 is 717478304041.

Together with next prime (140403874771) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107492835321 + 32911039396 = 327861^2 + 181414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140403874717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140403874711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70201937358 + 70201937359.

It is an arithmetic number, because the mean of its divisors is an integer number (70201937359).

Almost surely, 2^140403874717 is an apocalyptic number.

It is an amenable number.

140403874717 is a deficient number, since it is larger than the sum of its proper divisors (1).

140403874717 is an equidigital number, since it uses as much as digits as its factorization.

140403874717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 526848, while the sum is 46.

The spelling of 140403874717 in words is "one hundred forty billion, four hundred three million, eight hundred seventy-four thousand, seven hundred seventeen".