129270758399 has 8 divisors (see below), whose sum is σ = 131206720800. Its totient is φ = 127347660000.

The previous prime is 129270758339. The next prime is 129270758417. The reversal of 129270758399 is 993857072921.

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

It is a cyclic number.

It is not a de Polignac number, because 129270758399 - 2¹² = 129270754303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129270758329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3195752 + ... + 3235949.

It is an arithmetic number, because the mean of its divisors is an integer number (16400840100).

Almost surely, 2^129270758399 is an apocalyptic number.

129270758399 is a deficient number, since it is larger than the sum of its proper divisors (1935962401).

129270758399 is a wasteful number, since it uses less digits than its factorization.

129270758399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432001.

The product of its (nonzero) digits is 17146080, while the sum is 62.

The spelling of 129270758399 in words is "one hundred twenty-nine billion, two hundred seventy million, seven hundred fifty-eight thousand, three hundred ninety-nine".