141957641957 has 4 divisors (see below), whose sum is σ = 141976965900. Its totient is φ = 141938318016.

The previous prime is 141957641909. The next prime is 141957641971. The reversal of 141957641957 is 759146759141.

141957641957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 119716692001 + 22240949956 = 346001^2 + 149134^2 .

It is a cyclic number.

It is not a de Polignac number, because 141957641957 - 2¹⁶ = 141957576421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141957641896 and 141957641905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141957641557) 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 3 ways as a sum of consecutive naturals, for example, 9650948 + ... + 9665645.

It is an arithmetic number, because the mean of its divisors is an integer number (35494241475).

Almost surely, 2^141957641957 is an apocalyptic number.

It is an amenable number.

141957641957 is a deficient number, since it is larger than the sum of its proper divisors (19323943).

141957641957 is an equidigital number, since it uses as much as digits as its factorization.

141957641957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19323942.

The product of its digits is 9525600, while the sum is 59.

The spelling of 141957641957 in words is "one hundred forty-one billion, nine hundred fifty-seven million, six hundred forty-one thousand, nine hundred fifty-seven".