141981785018 has 8 divisors (see below), whose sum is σ = 213004105140. Its totient is φ = 70980416640.

The previous prime is 141981784969. The next prime is 141981785059. The reversal of 141981785018 is 810587189141.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 134984964409 + 6996820609 = 367403^2 + 83647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5220983 + ... + 5248106.

Almost surely, 2^141981785018 is an apocalyptic number.

141981785018 is a deficient number, since it is larger than the sum of its proper divisors (71022320122).

141981785018 is a wasteful number, since it uses less digits than its factorization.

141981785018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10475872.

The product of its (nonzero) digits is 645120, while the sum is 53.

The spelling of 141981785018 in words is "one hundred forty-one billion, nine hundred eighty-one million, seven hundred eighty-five thousand, eighteen".