140465719237 has 2 divisors, whose sum is σ = 140465719238. Its totient is φ = 140465719236.

The previous prime is 140465719187. The next prime is 140465719253. The reversal of 140465719237 is 732917564041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129466114596 + 10999604641 = 359814^2 + 104879^2 .

It is a cyclic number.

It is not a de Polignac number, because 140465719237 - 2³¹ = 138318235589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140465719337) 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, 70232859618 + 70232859619.

It is an arithmetic number, because the mean of its divisors is an integer number (70232859619).

Almost surely, 2^140465719237 is an apocalyptic number.

It is an amenable number.

140465719237 is a deficient number, since it is larger than the sum of its proper divisors (1).

140465719237 is an equidigital number, since it uses as much as digits as its factorization.

140465719237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 140465719237 in words is "one hundred forty billion, four hundred sixty-five million, seven hundred nineteen thousand, two hundred thirty-seven".