131452588649 has 2 divisors, whose sum is σ = 131452588650. Its totient is φ = 131452588648.

The previous prime is 131452588627. The next prime is 131452588661. The reversal of 131452588649 is 946885254131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105810331225 + 25642257424 = 325285^2 + 160132^2 .

It is a cyclic number.

It is not a de Polignac number, because 131452588649 - 2¹² = 131452584553 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131452588594 and 131452588603.

It is not a weakly prime, because it can be changed into another prime (131452588849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65726294324 + 65726294325.

It is an arithmetic number, because the mean of its divisors is an integer number (65726294325).

Almost surely, 2^131452588649 is an apocalyptic number.

It is an amenable number.

131452588649 is a deficient number, since it is larger than the sum of its proper divisors (1).

131452588649 is an equidigital number, since it uses as much as digits as its factorization.

131452588649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8294400, while the sum is 56.

The spelling of 131452588649 in words is "one hundred thirty-one billion, four hundred fifty-two million, five hundred eighty-eight thousand, six hundred forty-nine".