129093696 has 56 divisors (see below), whose sum is σ = 379516640. Its totient is φ = 43030656.

The previous prime is 129093683. The next prime is 129093737. The reversal of 129093696 is 696390921.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35626 + ... + 39081.

Almost surely, 2^129093696 is an apocalyptic number.

129093696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

129093696 is an abundant number, since it is smaller than the sum of its proper divisors (250422944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129093696 is an equidigital number, since it uses as much as digits as its factorization.

129093696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74728 (or 74712 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 129093696 is about 11361.9406793030. The cubic root of 129093696 is about 505.3997370907.

The spelling of 129093696 in words is "one hundred twenty-nine million, ninety-three thousand, six hundred ninety-six".