129616790 has 16 divisors (see below), whose sum is σ = 234661968. Its totient is φ = 51546336.

The previous prime is 129616787. The next prime is 129616807. The reversal of 129616790 is 97616921.

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, 35732 + ... + 39191.

It is an arithmetic number, because the mean of its divisors is an integer number (14666373).

Almost surely, 2^129616790 is an apocalyptic number.

129616790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129616790 is a deficient number, since it is larger than the sum of its proper divisors (105045178).

129616790 is a wasteful number, since it uses less digits than its factorization.

129616790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75103.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 129616790 is about 11384.9369783060. The cubic root of 129616790 is about 506.0814519942.

The spelling of 129616790 in words is "one hundred twenty-nine million, six hundred sixteen thousand, seven hundred ninety".