129338365 has 16 divisors (see below), whose sum is σ = 167384448. Its totient is φ = 95374656.

The previous prime is 129338333. The next prime is 129338387. The reversal of 129338365 is 563833921.

It is not a de Polignac number, because 129338365 - 2⁵ = 129338333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78682 + ... + 80308.

It is an arithmetic number, because the mean of its divisors is an integer number (10461528).

Almost surely, 2^129338365 is an apocalyptic number.

It is an amenable number.

129338365 is a deficient number, since it is larger than the sum of its proper divisors (38046083).

129338365 is a wasteful number, since it uses less digits than its factorization.

129338365 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 digits is 116640, while the sum is 40.

The square root of 129338365 is about 11372.7026251459. The cubic root of 129338365 is about 505.7188273160.

The spelling of 129338365 in words is "one hundred twenty-nine million, three hundred thirty-eight thousand, three hundred sixty-five".