131201141747858 has 128 divisors (see below), whose sum is σ = 246216472588800. Its totient is φ = 51055081684992.

The previous prime is 131201141747857. The next prime is 131201141747867. The reversal of 131201141747858 is 858747141102131.

It is a happy number.

131201141747858 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (131201141747857) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1663071278 + ... + 1663150166.

It is an arithmetic number, because the mean of its divisors is an integer number (1923566192100).

Almost surely, 2^{131201141747858} is an apocalyptic number.

131201141747858 is a deficient number, since it is larger than the sum of its proper divisors (115015330840942).

131201141747858 is a wasteful number, since it uses less digits than its factorization.

131201141747858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79636.

The product of its (nonzero) digits is 1505280, while the sum is 53.

Adding to 131201141747858 its reverse (858747141102131), we get a palindrome (989948282849989).

The spelling of 131201141747858 in words is "one hundred thirty-one trillion, two hundred one billion, one hundred forty-one million, seven hundred forty-seven thousand, eight hundred fifty-eight".