129065365 has 16 divisors (see below), whose sum is σ = 181956096. Its totient is φ = 86644800.

The previous prime is 129065357. The next prime is 129065407. The reversal of 129065365 is 563560921.

It is not a de Polignac number, because 129065365 - 2³ = 129065357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89541 + ... + 90970.

It is an arithmetic number, because the mean of its divisors is an integer number (11372256).

Almost surely, 2^129065365 is an apocalyptic number.

It is an amenable number.

129065365 is a deficient number, since it is larger than the sum of its proper divisors (52890731).

129065365 is a wasteful number, since it uses less digits than its factorization.

129065365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180540.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 129065365 is about 11360.6938608520. The cubic root of 129065365 is about 505.3627625831.

The spelling of 129065365 in words is "one hundred twenty-nine million, sixty-five thousand, three hundred sixty-five".