129189614 has 8 divisors (see below), whose sum is σ = 193912488. Its totient is φ = 64552120.

The previous prime is 129189611. The next prime is 129189637. The reversal of 129189614 is 416981921.

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 (129189611) 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 3 ways as a sum of consecutive naturals, for example, 17417 + ... + 23700.

It is an arithmetic number, because the mean of its divisors is an integer number (24239061).

Almost surely, 2^129189614 is an apocalyptic number.

129189614 is a deficient number, since it is larger than the sum of its proper divisors (64722874).

129189614 is a wasteful number, since it uses less digits than its factorization.

129189614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42690.

The product of its digits is 31104, while the sum is 41.

The square root of 129189614 is about 11366.1609173898. The cubic root of 129189614 is about 505.5248785762.

The spelling of 129189614 in words is "one hundred twenty-nine million, one hundred eighty-nine thousand, six hundred fourteen".