140487522233557 has 2 divisors, whose sum is σ = 140487522233558. Its totient is φ = 140487522233556.

The previous prime is 140487522233549. The next prime is 140487522233587. The reversal of 140487522233557 is 755332225784041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139608261572836 + 879260660721 = 11815594^2 + 937689^2 .

It is an emirp because it is prime and its reverse (755332225784041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140487522233557 - 2³ = 140487522233549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140487522233587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70243761116778 + 70243761116779.

It is an arithmetic number, because the mean of its divisors is an integer number (70243761116779).

Almost surely, 2^{140487522233557} is an apocalyptic number.

It is an amenable number.

140487522233557 is a deficient number, since it is larger than the sum of its proper divisors (1).

140487522233557 is an equidigital number, since it uses as much as digits as its factorization.

140487522233557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448000, while the sum is 58.

The spelling of 140487522233557 in words is "one hundred forty trillion, four hundred eighty-seven billion, five hundred twenty-two million, two hundred thirty-three thousand, five hundred fifty-seven".