129065326 has 32 divisors (see below), whose sum is σ = 222899040. Its totient is φ = 55520256.

The previous prime is 129065303. The next prime is 129065327. The reversal of 129065326 is 623560921.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 129065291 and 129065300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129065327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45930 + ... + 48658.

It is an arithmetic number, because the mean of its divisors is an integer number (6965595).

Almost surely, 2^129065326 is an apocalyptic number.

129065326 is a deficient number, since it is larger than the sum of its proper divisors (93833714).

129065326 is a wasteful number, since it uses less digits than its factorization.

129065326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 129065326 is about 11360.6921444074. The cubic root of 129065326 is about 505.3627116809.

The spelling of 129065326 in words is "one hundred twenty-nine million, sixty-five thousand, three hundred twenty-six".