129174091308 has 30 divisors (see below), whose sum is σ = 337686591396. Its totient is φ = 43058030328.

The previous prime is 129174091307. The next prime is 129174091349. The reversal of 129174091308 is 803190471921.

It is not an unprimeable number, because it can be changed into a prime (129174091307) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 199342410 + ... + 199343057.

Almost surely, 2^129174091308 is an apocalyptic number.

129174091308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

129174091308 is an abundant number, since it is smaller than the sum of its proper divisors (208512500088).

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

129174091308 is a wasteful number, since it uses less digits than its factorization.

129174091308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398685483 (or 398685472 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 129174091308 in words is "one hundred twenty-nine billion, one hundred seventy-four million, ninety-one thousand, three hundred eight".