129708432403 has 16 divisors (see below), whose sum is σ = 147682973952. Its totient is φ = 112766500000.

The previous prime is 129708432319. The next prime is 129708432431. The reversal of 129708432403 is 304234807921.

It is a de Polignac number, because none of the positive numbers 2^k-129708432403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 129708432403.

It is not an unprimeable number, because it can be changed into a prime (129708432703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1227153 + ... + 1328653.

It is an arithmetic number, because the mean of its divisors is an integer number (9230185872).

Almost surely, 2^129708432403 is an apocalyptic number.

129708432403 is a deficient number, since it is larger than the sum of its proper divisors (17974541549).

129708432403 is a wasteful number, since it uses less digits than its factorization.

129708432403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106586.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 129708432403 in words is "one hundred twenty-nine billion, seven hundred eight million, four hundred thirty-two thousand, four hundred three".