129773813509141 has 2 divisors, whose sum is σ = 129773813509142. Its totient is φ = 129773813509140.

The previous prime is 129773813509091. The next prime is 129773813509159. The reversal of 129773813509141 is 141905318377921.

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., 122377888502116 + 7395925007025 = 11062454^2 + 2719545^2 .

It is a cyclic number.

It is not a de Polignac number, because 129773813509141 - 2⁷ = 129773813509013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129773813509141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129773813509441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64886906754570 + 64886906754571.

It is an arithmetic number, because the mean of its divisors is an integer number (64886906754571).

Almost surely, 2^{129773813509141} is an apocalyptic number.

It is an amenable number.

129773813509141 is a deficient number, since it is larger than the sum of its proper divisors (1).

129773813509141 is an equidigital number, since it uses as much as digits as its factorization.

129773813509141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11430720, while the sum is 61.

The spelling of 129773813509141 in words is "one hundred twenty-nine trillion, seven hundred seventy-three billion, eight hundred thirteen million, five hundred nine thousand, one hundred forty-one".