131579510393 has 2 divisors, whose sum is σ = 131579510394. Its totient is φ = 131579510392.

The previous prime is 131579510389. The next prime is 131579510521. The reversal of 131579510393 is 393015975131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125619207184 + 5960303209 = 354428^2 + 77203^2 .

It is a cyclic number.

It is not a de Polignac number, because 131579510393 - 2² = 131579510389 is a prime.

It is not a weakly prime, because it can be changed into another prime (131579530393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65789755196 + 65789755197.

It is an arithmetic number, because the mean of its divisors is an integer number (65789755197).

Almost surely, 2^131579510393 is an apocalyptic number.

It is an amenable number.

131579510393 is a deficient number, since it is larger than the sum of its proper divisors (1).

131579510393 is an equidigital number, since it uses as much as digits as its factorization.

131579510393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 382725, while the sum is 47.

The spelling of 131579510393 in words is "one hundred thirty-one billion, five hundred seventy-nine million, five hundred ten thousand, three hundred ninety-three".