129191362104 has 32 divisors (see below), whose sum is σ = 369118177920. Its totient is φ = 36911817696.

The previous prime is 129191362051. The next prime is 129191362117. The reversal of 129191362104 is 401263191921.

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, 384497934 + ... + 384498269.

It is an arithmetic number, because the mean of its divisors is an integer number (11534943060).

Almost surely, 2^129191362104 is an apocalyptic number.

129191362104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

129191362104 is an abundant number, since it is smaller than the sum of its proper divisors (239926815816).

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

129191362104 is a wasteful number, since it uses less digits than its factorization.

129191362104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768996219 (or 768996215 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 129191362104 in words is "one hundred twenty-nine billion, one hundred ninety-one million, three hundred sixty-two thousand, one hundred four".