129524734507 has 8 divisors (see below), whose sum is σ = 148120972256. Its totient is φ = 110951672832.

The previous prime is 129524734489. The next prime is 129524734517. The reversal of 129524734507 is 705437425921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-129524734507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129524734517) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5782038 + ... + 5804395.

It is an arithmetic number, because the mean of its divisors is an integer number (18515121532).

Almost surely, 2^129524734507 is an apocalyptic number.

129524734507 is a deficient number, since it is larger than the sum of its proper divisors (18596237749).

129524734507 is a wasteful number, since it uses less digits than its factorization.

129524734507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11588037.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 129524734507 in words is "one hundred twenty-nine billion, five hundred twenty-four million, seven hundred thirty-four thousand, five hundred seven".