129934556 has 24 divisors (see below), whose sum is σ = 229975200. Its totient is φ = 64232000.

The previous prime is 129934543. The next prime is 129934583. The reversal of 129934556 is 655439921.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 185006 + ... + 185706.

It is an arithmetic number, because the mean of its divisors is an integer number (9582300).

Almost surely, 2^129934556 is an apocalyptic number.

It is an amenable number.

129934556 is a deficient number, since it is larger than the sum of its proper divisors (100040644).

129934556 is a wasteful number, since it uses less digits than its factorization.

129934556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1163 counting only the distinct ones).

The product of its digits is 291600, while the sum is 44.

The square root of 129934556 is about 11398.8839804605. The cubic root of 129934556 is about 506.4946809697.

The spelling of 129934556 in words is "one hundred twenty-nine million, nine hundred thirty-four thousand, five hundred fifty-six".