141981785397 has 12 divisors (see below), whose sum is σ = 209448308160. Its totient is φ = 92640597288.

The previous prime is 141981785377. The next prime is 141981785417. The reversal of 141981785397 is 793587189141.

141981785397 is a `hidden beast` number, since 1 + 4 + 1 + 98 + 1 + 7 + 8 + 539 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (141981785377) and next prime (141981785417).

It is not a de Polignac number, because 141981785397 - 2³⁶ = 73262308661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141981785377) 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 in 11 ways as a sum of consecutive naturals, for example, 167826747 + ... + 167827592.

It is an arithmetic number, because the mean of its divisors is an integer number (17454025680).

Almost surely, 2^141981785397 is an apocalyptic number.

It is an amenable number.

141981785397 is a deficient number, since it is larger than the sum of its proper divisors (67466522763).

141981785397 is a wasteful number, since it uses less digits than its factorization.

141981785397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335654392 (or 335654389 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 63.

The spelling of 141981785397 in words is "one hundred forty-one billion, nine hundred eighty-one million, seven hundred eighty-five thousand, three hundred ninety-seven".