129474564765 has 96 divisors (see below), whose sum is σ = 257907234816. Its totient is φ = 54307019520.

The previous prime is 129474564701. The next prime is 129474564803. The reversal of 129474564765 is 567465474921.

It is not a de Polignac number, because 129474564765 - 2⁶ = 129474564701 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 129474564699 and 129474564708.

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 in 95 ways as a sum of consecutive naturals, for example, 2941570 + ... + 2985260.

It is an arithmetic number, because the mean of its divisors is an integer number (2686533696).

Almost surely, 2^129474564765 is an apocalyptic number.

129474564765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

129474564765 is a deficient number, since it is larger than the sum of its proper divisors (128432670051).

129474564765 is a wasteful number, since it uses less digits than its factorization.

129474564765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43899 (or 43886 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 60.

The spelling of 129474564765 in words is "one hundred twenty-nine billion, four hundred seventy-four million, five hundred sixty-four thousand, seven hundred sixty-five".