129647604755 has 8 divisors (see below), whose sum is σ = 163765395600. Its totient is φ = 98259237216.

The previous prime is 129647604739. The next prime is 129647604773. The reversal of 129647604755 is 557406746921.

It is a happy number.

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 129647604755 - 2⁴ = 129647604739 is a prime.

It is a super-2 number, since 2×129647604755² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 129647604755.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682355720 + ... + 682355909.

It is an arithmetic number, because the mean of its divisors is an integer number (20470674450).

Almost surely, 2^129647604755 is an apocalyptic number.

129647604755 is a deficient number, since it is larger than the sum of its proper divisors (34117790845).

129647604755 is a wasteful number, since it uses less digits than its factorization.

129647604755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364711653.

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 129647604755 in words is "one hundred twenty-nine billion, six hundred forty-seven million, six hundred four thousand, seven hundred fifty-five".