129415070 has 8 divisors (see below), whose sum is σ = 232947144. Its totient is φ = 51766024.

The previous prime is 129415063. The next prime is 129415087. The reversal of 129415070 is 70514921.

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

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 3 ways as a sum of consecutive naturals, for example, 6470744 + ... + 6470763.

It is an arithmetic number, because the mean of its divisors is an integer number (29118393).

Almost surely, 2^129415070 is an apocalyptic number.

129415070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129415070 is a deficient number, since it is larger than the sum of its proper divisors (103532074).

129415070 is a wasteful number, since it uses less digits than its factorization.

129415070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12941514.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 129415070 is about 11376.0744547493. The cubic root of 129415070 is about 505.8187808932.

Adding to 129415070 its reverse (70514921), we get a palindrome (199929991).

The spelling of 129415070 in words is "one hundred twenty-nine million, four hundred fifteen thousand, seventy".