129619128627507 has 8 divisors (see below), whose sum is σ = 172825561014480. Its totient is φ = 86412724329440.

The previous prime is 129619128627497. The next prime is 129619128627559. The reversal of 129619128627507 is 705726821916921.

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 129619128627507 - 2¹⁰ = 129619128626483 is a prime.

It is a super-2 number, since 2×129619128627507² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (129619128627587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8907469 + ... + 18400577.

It is an arithmetic number, because the mean of its divisors is an integer number (21603195126810).

Almost surely, 2^{129619128627507} is an apocalyptic number.

129619128627507 is a deficient number, since it is larger than the sum of its proper divisors (43206432386973).

129619128627507 is an equidigital number, since it uses as much as digits as its factorization.

129619128627507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14044453.

The product of its (nonzero) digits is 45722880, while the sum is 66.

The spelling of 129619128627507 in words is "one hundred twenty-nine trillion, six hundred nineteen billion, one hundred twenty-eight million, six hundred twenty-seven thousand, five hundred seven".