131232140421377 has 2 divisors, whose sum is σ = 131232140421378. Its totient is φ = 131232140421376.

The previous prime is 131232140421281. The next prime is 131232140421461. The reversal of 131232140421377 is 773124041232131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125636838758656 + 5595301662721 = 11208784^2 + 2365439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131232140421377 is a prime.

It is a super-2 number, since 2×131232140421377² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131232140424377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65616070210688 + 65616070210689.

It is an arithmetic number, because the mean of its divisors is an integer number (65616070210689).

Almost surely, 2^{131232140421377} is an apocalyptic number.

It is an amenable number.

131232140421377 is a deficient number, since it is larger than the sum of its proper divisors (1).

131232140421377 is an equidigital number, since it uses as much as digits as its factorization.

131232140421377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 131232140421377 in words is "one hundred thirty-one trillion, two hundred thirty-two billion, one hundred forty million, four hundred twenty-one thousand, three hundred seventy-seven".