131647140073 has 2 divisors, whose sum is σ = 131647140074. Its totient is φ = 131647140072.

The previous prime is 131647139999. The next prime is 131647140083. The reversal of 131647140073 is 370041746131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73504427689 + 58142712384 = 271117^2 + 241128^2 .

It is a cyclic number.

It is not a de Polignac number, because 131647140073 - 2¹³ = 131647131881 is a prime.

It is not a weakly prime, because it can be changed into another prime (131647140083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65823570036 + 65823570037.

It is an arithmetic number, because the mean of its divisors is an integer number (65823570037).

Almost surely, 2^131647140073 is an apocalyptic number.

It is an amenable number.

131647140073 is a deficient number, since it is larger than the sum of its proper divisors (1).

131647140073 is an equidigital number, since it uses as much as digits as its factorization.

131647140073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 131647140073 in words is "one hundred thirty-one billion, six hundred forty-seven million, one hundred forty thousand, seventy-three".