129761067344 has 10 divisors (see below), whose sum is σ = 251412068010. Its totient is φ = 64880533664.

The previous prime is 129761067307. The next prime is 129761067361. The reversal of 129761067344 is 443760167921.

It can be written as a sum of positive squares in only one way, i.e., 124405754944 + 5355312400 = 352712^2 + 73180^2 .

It is a junction number, because it is equal to n+sod(n) for n = 129761067292 and 129761067301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4055033339 + ... + 4055033370.

It is an arithmetic number, because the mean of its divisors is an integer number (25141206801).

Almost surely, 2^129761067344 is an apocalyptic number.

It is an amenable number.

129761067344 is a deficient number, since it is larger than the sum of its proper divisors (121651000666).

129761067344 is an equidigital number, since it uses as much as digits as its factorization.

129761067344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8110066717 (or 8110066711 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 129761067344 in words is "one hundred twenty-nine billion, seven hundred sixty-one million, sixty-seven thousand, three hundred forty-four".