140664345499 has 2 divisors, whose sum is σ = 140664345500. Its totient is φ = 140664345498.

The previous prime is 140664345433. The next prime is 140664345557. The reversal of 140664345499 is 994543466041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140664345499 - 2³³ = 132074410907 is a prime.

It is not a weakly prime, because it can be changed into another prime (140664349499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70332172749 + 70332172750.

It is an arithmetic number, because the mean of its divisors is an integer number (70332172750).

Almost surely, 2^140664345499 is an apocalyptic number.

140664345499 is a deficient number, since it is larger than the sum of its proper divisors (1).

140664345499 is an equidigital number, since it uses as much as digits as its factorization.

140664345499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 140664345499 in words is "one hundred forty billion, six hundred sixty-four million, three hundred forty-five thousand, four hundred ninety-nine".