141991128381 has 8 divisors (see below), whose sum is σ = 189798386464. Its totient is φ = 94422311280.

The previous prime is 141991128379. The next prime is 141991128401. The reversal of 141991128381 is 183821199141.

141991128381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 141991128381 - 2¹ = 141991128379 is a prime.

It is a super-2 number, since 2×141991128381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 141991128381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141991128311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59608855 + ... + 59611236.

It is an arithmetic number, because the mean of its divisors is an integer number (23724798308).

Almost surely, 2^141991128381 is an apocalyptic number.

It is an amenable number.

141991128381 is a deficient number, since it is larger than the sum of its proper divisors (47807258083).

141991128381 is a wasteful number, since it uses less digits than its factorization.

141991128381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119220491.

The product of its digits is 124416, while the sum is 48.

The spelling of 141991128381 in words is "one hundred forty-one billion, nine hundred ninety-one million, one hundred twenty-eight thousand, three hundred eighty-one".