129761067328 has 28 divisors (see below), whose sum is σ = 268690039200. Its totient is φ = 62059640192.

The previous prime is 129761067307. The next prime is 129761067361. The reversal of 129761067328 is 823760167921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44074978 + ... + 44077921.

Almost surely, 2^129761067328 is an apocalyptic number.

It is an amenable number.

129761067328 is an abundant number, since it is smaller than the sum of its proper divisors (138928971872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129761067328 is an equidigital number, since it uses as much as digits as its factorization.

129761067328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88152934 (or 88152924 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 129761067328 in words is "one hundred twenty-nine billion, seven hundred sixty-one million, sixty-seven thousand, three hundred twenty-eight".