129132626 has 32 divisors (see below), whose sum is σ = 243164160. Its totient is φ = 50147856.

The previous prime is 129132613. The next prime is 129132631. The reversal of 129132626 is 626231921.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 129132592 and 129132601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4436 + ... + 16671.

It is an arithmetic number, because the mean of its divisors is an integer number (7598880).

Almost surely, 2^129132626 is an apocalyptic number.

129132626 is a deficient number, since it is larger than the sum of its proper divisors (114031534).

129132626 is a wasteful number, since it uses less digits than its factorization.

129132626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21158.

The product of its digits is 7776, while the sum is 32.

The square root of 129132626 is about 11363.6537258049. The cubic root of 129132626 is about 505.4505354254.

The spelling of 129132626 in words is "one hundred twenty-nine million, one hundred thirty-two thousand, six hundred twenty-six".