129089096 has 16 divisors (see below), whose sum is σ = 247671600. Its totient is φ = 63043344.

The previous prime is 129089089. The next prime is 129089131. The reversal of 129089096 is 690980921.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 187286 + ... + 187973.

It is an arithmetic number, because the mean of its divisors is an integer number (15479475).

Almost surely, 2^129089096 is an apocalyptic number.

It is an amenable number.

129089096 is a deficient number, since it is larger than the sum of its proper divisors (118582504).

129089096 is a wasteful number, since it uses less digits than its factorization.

129089096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375308 (or 375304 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 129089096 is about 11361.7382472930. The cubic root of 129089096 is about 505.3937340441.

The spelling of 129089096 in words is "one hundred twenty-nine million, eighty-nine thousand, ninety-six".