141985894321 has 2 divisors, whose sum is σ = 141985894322. Its totient is φ = 141985894320.

The previous prime is 141985894301. The next prime is 141985894399. The reversal of 141985894321 is 123498589141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107642391921 + 34343502400 = 328089^2 + 185320^2 .

It is a cyclic number.

It is not a de Polignac number, because 141985894321 - 2⁹ = 141985893809 is a prime.

It is a super-2 number, since 2×141985894321² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (141985894301) 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, 70992947160 + 70992947161.

It is an arithmetic number, because the mean of its divisors is an integer number (70992947161).

Almost surely, 2^141985894321 is an apocalyptic number.

It is an amenable number.

141985894321 is a deficient number, since it is larger than the sum of its proper divisors (1).

141985894321 is an equidigital number, since it uses as much as digits as its factorization.

141985894321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 55.

The spelling of 141985894321 in words is "one hundred forty-one billion, nine hundred eighty-five million, eight hundred ninety-four thousand, three hundred twenty-one".