141985438757 has 2 divisors, whose sum is σ = 141985438758. Its totient is φ = 141985438756.

The previous prime is 141985438753. The next prime is 141985438811. The reversal of 141985438757 is 757834589141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129910505761 + 12074932996 = 360431^2 + 109886^2 .

It is a cyclic number.

It is not a de Polignac number, because 141985438757 - 2² = 141985438753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141985438757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141985438753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70992719378 + 70992719379.

It is an arithmetic number, because the mean of its divisors is an integer number (70992719379).

Almost surely, 2^141985438757 is an apocalyptic number.

It is an amenable number.

141985438757 is a deficient number, since it is larger than the sum of its proper divisors (1).

141985438757 is an equidigital number, since it uses as much as digits as its factorization.

141985438757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33868800, while the sum is 62.

The spelling of 141985438757 in words is "one hundred forty-one billion, nine hundred eighty-five million, four hundred thirty-eight thousand, seven hundred fifty-seven".