131876395069 has 2 divisors, whose sum is σ = 131876395070. Its totient is φ = 131876395068.

The previous prime is 131876395019. The next prime is 131876395111. The reversal of 131876395069 is 960593678131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97992789444 + 33883605625 = 313038^2 + 184075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131876395069 is a prime.

It is a super-2 number, since 2×131876395069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131876395019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65938197534 + 65938197535.

It is an arithmetic number, because the mean of its divisors is an integer number (65938197535).

Almost surely, 2^131876395069 is an apocalyptic number.

It is an amenable number.

131876395069 is a deficient number, since it is larger than the sum of its proper divisors (1).

131876395069 is an equidigital number, since it uses as much as digits as its factorization.

131876395069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 58.

The spelling of 131876395069 in words is "one hundred thirty-one billion, eight hundred seventy-six million, three hundred ninety-five thousand, sixty-nine".