129014289 has 24 divisors (see below), whose sum is σ = 194145952. Its totient is φ = 85613760.

The previous prime is 129014273. The next prime is 129014293. The reversal of 129014289 is 982410921.

It is not a de Polignac number, because 129014289 - 2⁴ = 129014273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129014789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57462 + ... + 59664.

Almost surely, 2^129014289 is an apocalyptic number.

It is an amenable number.

129014289 is a deficient number, since it is larger than the sum of its proper divisors (65131663).

129014289 is an equidigital number, since it uses as much as digits as its factorization.

129014289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459 (or 2447 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 129014289 is about 11358.4457123323. The cubic root of 129014289 is about 505.2960901284.

The spelling of 129014289 in words is "one hundred twenty-nine million, fourteen thousand, two hundred eighty-nine".