129748000528 has 40 divisors (see below), whose sum is σ = 252109756800. Its totient is φ = 64687695744.

The previous prime is 129748000519. The next prime is 129748000537. The reversal of 129748000528 is 825000847921.

129748000528 is a nontrivial binomial coefficient, being equal to C(509408, 2).

It is an interprime number because it is at equal distance from previous prime (129748000519) and next prime (129748000537).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8142553 + ... + 8158471.

It is an arithmetic number, because the mean of its divisors is an integer number (6302743920).

Almost surely, 2^129748000528 is an apocalyptic number.

129748000528 is the 509407-th triangular number and also the 254704-th hexagonal number.

129748000528 is the 169803-rd centered nonagonal number.

It is an amenable number.

129748000528 is a deficient number, since it is larger than the sum of its proper divisors (122361756272).

129748000528 is a wasteful number, since it uses less digits than its factorization.

129748000528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17359 (or 17353 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 129748000528 in words is "one hundred twenty-nine billion, seven hundred forty-eight million, five hundred twenty-eight", and thus it is an aban number.