129578971375 has 16 divisors (see below), whose sum is σ = 184816636992. Its totient is φ = 88854151200.

The previous prime is 129578971363. The next prime is 129578971387. The reversal of 129578971375 is 573179875921.

It is an interprime number because it is at equal distance from previous prime (129578971363) and next prime (129578971387).

It is not a de Polignac number, because 129578971375 - 2¹³ = 129578963183 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 74044252 + ... + 74046001.

It is an arithmetic number, because the mean of its divisors is an integer number (11551039812).

Almost surely, 2^129578971375 is an apocalyptic number.

129578971375 is a deficient number, since it is larger than the sum of its proper divisors (55237665617).

129578971375 is an equidigital number, since it uses as much as digits as its factorization.

129578971375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148090275 (or 148090265 counting only the distinct ones).

The product of its digits is 33339600, while the sum is 64.

The spelling of 129578971375 in words is "one hundred twenty-nine billion, five hundred seventy-eight million, nine hundred seventy-one thousand, three hundred seventy-five".