129036470 has 8 divisors (see below), whose sum is σ = 232265664. Its totient is φ = 51614584.

The previous prime is 129036469. The next prime is 129036473. The reversal of 129036470 is 74630921.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129036473) 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, 6451814 + ... + 6451833.

It is an arithmetic number, because the mean of its divisors is an integer number (29033208).

Almost surely, 2^129036470 is an apocalyptic number.

129036470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129036470 is a deficient number, since it is larger than the sum of its proper divisors (103229194).

129036470 is a wasteful number, since it uses less digits than its factorization.

129036470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12903654.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 129036470 is about 11359.4220803701. The cubic root of 129036470 is about 505.3250464308.

The spelling of 129036470 in words is "one hundred twenty-nine million, thirty-six thousand, four hundred seventy".