131553336400429 has 2 divisors, whose sum is σ = 131553336400430. Its totient is φ = 131553336400428.

The previous prime is 131553336400411. The next prime is 131553336400433. The reversal of 131553336400429 is 924004633355131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120880635452329 + 10672700948100 = 10994573^2 + 3266910^2 .

It is an emirp because it is prime and its reverse (924004633355131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131553336400429 - 2¹⁹ = 131553335876141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131553336400529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65776668200214 + 65776668200215.

It is an arithmetic number, because the mean of its divisors is an integer number (65776668200215).

Almost surely, 2^{131553336400429} is an apocalyptic number.

It is an amenable number.

131553336400429 is a deficient number, since it is larger than the sum of its proper divisors (1).

131553336400429 is an equidigital number, since it uses as much as digits as its factorization.

131553336400429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3499200, while the sum is 49.

The spelling of 131553336400429 in words is "one hundred thirty-one trillion, five hundred fifty-three billion, three hundred thirty-six million, four hundred thousand, four hundred twenty-nine".