129965363 has 4 divisors (see below), whose sum is σ = 141780408. Its totient is φ = 118150320.

The previous prime is 129965359. The next prime is 129965369. The reversal of 129965363 is 363569921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 129965363 - 2² = 129965359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129965369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5907506 + ... + 5907527.

It is an arithmetic number, because the mean of its divisors is an integer number (35445102).

Almost surely, 2^129965363 is an apocalyptic number.

129965363 is a deficient number, since it is larger than the sum of its proper divisors (11815045).

129965363 is a wasteful number, since it uses less digits than its factorization.

129965363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11815044.

The product of its digits is 262440, while the sum is 44.

The square root of 129965363 is about 11400.2352168716. The cubic root of 129965363 is about 506.5347071416.

The spelling of 129965363 in words is "one hundred twenty-nine million, nine hundred sixty-five thousand, three hundred sixty-three".