129016419 has 8 divisors (see below), whose sum is σ = 196596480. Its totient is φ = 73723656.

The previous prime is 129016387. The next prime is 129016471. The reversal of 129016419 is 914610921.

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

It is not a de Polignac number, because 129016419 - 2⁵ = 129016387 is a prime.

It is a super-2 number, since 2×129016419² = 33290472743167122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 129016419.

It is not an unprimeable number, because it can be changed into a prime (129016919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3071799 + ... + 3071840.

It is an arithmetic number, because the mean of its divisors is an integer number (24574560).

Almost surely, 2^129016419 is an apocalyptic number.

129016419 is a deficient number, since it is larger than the sum of its proper divisors (67580061).

129016419 is an equidigital number, since it uses as much as digits as its factorization.

129016419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6143649.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 129016419 is about 11358.5394747740. The cubic root of 129016419 is about 505.2988708920.

The spelling of 129016419 in words is "one hundred twenty-nine million, sixteen thousand, four hundred nineteen".