129128000758 has 16 divisors (see below), whose sum is σ = 194527097280. Its totient is φ = 64285704000.

The previous prime is 129128000711. The next prime is 129128000777. The reversal of 129128000758 is 857000821921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5868898 + ... + 5890858.

It is an arithmetic number, because the mean of its divisors is an integer number (12157943580).

Almost surely, 2^129128000758 is an apocalyptic number.

129128000758 is a deficient number, since it is larger than the sum of its proper divisors (65399096522).

129128000758 is a wasteful number, since it uses less digits than its factorization.

129128000758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34503.

The product of its (nonzero) digits is 80640, while the sum is 43.

The spelling of 129128000758 in words is "one hundred twenty-nine billion, one hundred twenty-eight million, seven hundred fifty-eight", and thus it is an aban number.