129829037745 has 32 divisors (see below), whose sum is σ = 226698891264. Its totient is φ = 62922910400.

The previous prime is 129829037683. The next prime is 129829037809. The reversal of 129829037745 is 547730928921.

It is a happy number.

It is not a de Polignac number, because 129829037745 - 2¹⁷ = 129828906673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275674 + ... + 579356.

It is an arithmetic number, because the mean of its divisors is an integer number (7084340352).

Almost surely, 2^129829037745 is an apocalyptic number.

129829037745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

129829037745 is a deficient number, since it is larger than the sum of its proper divisors (96869853519).

129829037745 is a wasteful number, since it uses less digits than its factorization.

129829037745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306293.

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 129829037745 in words is "one hundred twenty-nine billion, eight hundred twenty-nine million, thirty-seven thousand, seven hundred forty-five".