141981784939 has 2 divisors, whose sum is σ = 141981784940. Its totient is φ = 141981784938.

The previous prime is 141981784897. The next prime is 141981784969. The reversal of 141981784939 is 939487189141.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 141981784939 - 2²⁵ = 141948230507 is a prime.

It is not a weakly prime, because it can be changed into another prime (141981784969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70990892469 + 70990892470.

It is an arithmetic number, because the mean of its divisors is an integer number (70990892470).

Almost surely, 2^141981784939 is an apocalyptic number.

141981784939 is a deficient number, since it is larger than the sum of its proper divisors (1).

141981784939 is an equidigital number, since it uses as much as digits as its factorization.

141981784939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 64.

The spelling of 141981784939 in words is "one hundred forty-one billion, nine hundred eighty-one million, seven hundred eighty-four thousand, nine hundred thirty-nine".