131398741259041 has 3 divisors (see below), whose sum is σ = 131398752721971. Its totient is φ = 131398729796112.

The previous prime is 131398741259033. The next prime is 131398741259111. The reversal of 131398741259041 is 140952147893131.

The square root of 131398741259041 is 11462929.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 35028393673441 + 96370347585600 = 5918479^2 + 9816840^2 .

It is not a de Polignac number, because 131398741259041 - 2³ = 131398741259033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131398741259011) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5731465 + ... + 17194393.

It is an arithmetic number, because the mean of its divisors is an integer number (43799584240657).

Almost surely, 2^{131398741259041} is an apocalyptic number.

131398741259041 is the 11462929-th square number.

131398741259041 is the 5731465-th centered octagonal number.

It is an amenable number.

131398741259041 is a deficient number, since it is larger than the sum of its proper divisors (11462930).

131398741259041 is an frugal number, since it uses more digits than its factorization.

131398741259041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22925858 (or 11462929 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 131398741259041 in words is "one hundred thirty-one trillion, three hundred ninety-eight billion, seven hundred forty-one million, two hundred fifty-nine thousand, forty-one".