129962738816 has 32 divisors (see below), whose sum is σ = 259320622080. Its totient is φ = 64878347520.

The previous prime is 129962738809. The next prime is 129962738921. The reversal of 129962738816 is 618837269921.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723776 + ... + 885311.

It is an arithmetic number, because the mean of its divisors is an integer number (8103769440).

Almost surely, 2^129962738816 is an apocalyptic number.

129962738816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

129962738816 is a deficient number, since it is larger than the sum of its proper divisors (129357883264).

129962738816 is an equidigital number, since it uses as much as digits as its factorization.

129962738816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609732 (or 1609720 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 62.

The spelling of 129962738816 in words is "one hundred twenty-nine billion, nine hundred sixty-two million, seven hundred thirty-eight thousand, eight hundred sixteen".