129147626 has 8 divisors (see below), whose sum is σ = 193809024. Its totient is φ = 64544620.

The previous prime is 129147607. The next prime is 129147653. The reversal of 129147626 is 626741921.

129147626 is nontrivially palindromic in base 6.

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

It is a self number, because there is not a number n which added to its sum of digits gives 129147626.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8570 + ... + 18213.

It is an arithmetic number, because the mean of its divisors is an integer number (24226128).

Almost surely, 2^129147626 is an apocalyptic number.

129147626 is a deficient number, since it is larger than the sum of its proper divisors (64661398).

129147626 is a wasteful number, since it uses less digits than its factorization.

129147626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29196.

The product of its digits is 36288, while the sum is 38.

The square root of 129147626 is about 11364.3137056313. The cubic root of 129147626 is about 505.4701056526.

The spelling of 129147626 in words is "one hundred twenty-nine million, one hundred forty-seven thousand, six hundred twenty-six".