129734630 has 8 divisors (see below), whose sum is σ = 233522352. Its totient is φ = 51893848.

The previous prime is 129734593. The next prime is 129734653. The reversal of 129734630 is 36437921.

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, 6486722 + ... + 6486741.

It is an arithmetic number, because the mean of its divisors is an integer number (29190294).

Almost surely, 2^129734630 is an apocalyptic number.

129734630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129734630 is a deficient number, since it is larger than the sum of its proper divisors (103787722).

129734630 is a wasteful number, since it uses less digits than its factorization.

129734630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12973470.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 129734630 is about 11390.1110617939. Note that the first 3 decimals coincide. The cubic root of 129734630 is about 506.2347720868.

The spelling of 129734630 in words is "one hundred twenty-nine million, seven hundred thirty-four thousand, six hundred thirty".