129670315 has 8 divisors (see below), whose sum is σ = 155814480. Its totient is φ = 103596192.

The previous prime is 129670313. The next prime is 129670337. The reversal of 129670315 is 513076921.

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 129670315 - 2¹ = 129670313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129670313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13345 + ... + 20914.

It is an arithmetic number, because the mean of its divisors is an integer number (19476810).

Almost surely, 2^129670315 is an apocalyptic number.

129670315 is a deficient number, since it is larger than the sum of its proper divisors (26144165).

129670315 is an equidigital number, since it uses as much as digits as its factorization.

129670315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35021.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 129670315 is about 11387.2874294100. The cubic root of 129670315 is about 506.1511041896.

The spelling of 129670315 in words is "one hundred twenty-nine million, six hundred seventy thousand, three hundred fifteen".