140466362557 has 2 divisors, whose sum is σ = 140466362558. Its totient is φ = 140466362556.

The previous prime is 140466362551. The next prime is 140466362627. The reversal of 140466362557 is 755263664041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123502342041 + 16964020516 = 351429^2 + 130246^2 .

It is an emirp because it is prime and its reverse (755263664041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140466362557 - 2²⁷ = 140332144829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140466362557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140466362551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70233181278 + 70233181279.

It is an arithmetic number, because the mean of its divisors is an integer number (70233181279).

Almost surely, 2^140466362557 is an apocalyptic number.

It is an amenable number.

140466362557 is a deficient number, since it is larger than the sum of its proper divisors (1).

140466362557 is an equidigital number, since it uses as much as digits as its factorization.

140466362557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 140466362557 in words is "one hundred forty billion, four hundred sixty-six million, three hundred sixty-two thousand, five hundred fifty-seven".