129346683904 has 33 divisors (see below), whose sum is σ = 258590060967. Its totient is φ = 64667587584.

The previous prime is 129346683899. The next prime is 129346683997. The reversal of 129346683904 is 409386643921.

The square root of 129346683904 is 359648.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×129346683904² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11503117 + ... + 11514355.

Almost surely, 2^129346683904 is an apocalyptic number.

129346683904 is the 359648-th square number.

It is an amenable number.

129346683904 is a deficient number, since it is larger than the sum of its proper divisors (129243377063).

129346683904 is an frugal number, since it uses more digits than its factorization.

129346683904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22498 (or 11241 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 55.

The spelling of 129346683904 in words is "one hundred twenty-nine billion, three hundred forty-six million, six hundred eighty-three thousand, nine hundred four".