129995393 has 8 divisors (see below), whose sum is σ = 145646400. Its totient is φ = 114983280.

The previous prime is 129995387. The next prime is 129995399. The reversal of 129995393 is 393599921.

It is an interprime number because it is at equal distance from previous prime (129995387) and next prime (129995399).

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 129995393 - 2⁶ = 129995329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129995399) 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, 159293 + ... + 160106.

It is an arithmetic number, because the mean of its divisors is an integer number (18205800).

Almost surely, 2^129995393 is an apocalyptic number.

It is an amenable number.

129995393 is a deficient number, since it is larger than the sum of its proper divisors (15651007).

129995393 is a wasteful number, since it uses less digits than its factorization.

129995393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319447.

The product of its digits is 590490, while the sum is 50.

The square root of 129995393 is about 11401.5522188867. The cubic root of 129995393 is about 506.5737177043.

The spelling of 129995393 in words is "one hundred twenty-nine million, nine hundred ninety-five thousand, three hundred ninety-three".