129796283 has 8 divisors (see below), whose sum is σ = 135218160. Its totient is φ = 124481920.

The previous prime is 129796279. The next prime is 129796319. The reversal of 129796283 is 382697921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129796283 - 2² = 129796279 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129696283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24410 + ... + 29247.

It is an arithmetic number, because the mean of its divisors is an integer number (16902270).

Almost surely, 2^129796283 is an apocalyptic number.

129796283 is a deficient number, since it is larger than the sum of its proper divisors (5421877).

129796283 is an equidigital number, since it uses as much as digits as its factorization.

129796283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53757.

The product of its digits is 326592, while the sum is 47.

The square root of 129796283 is about 11392.8171669697. The cubic root of 129796283 is about 506.3149510122.

The spelling of 129796283 in words is "one hundred twenty-nine million, seven hundred ninety-six thousand, two hundred eighty-three".