129041390106 has 96 divisors (see below), whose sum is σ = 299858727168. Its totient is φ = 40001195520.

The previous prime is 129041390081. The next prime is 129041390111. The reversal of 129041390106 is 601093140921.

It is a happy number.

129041390106 is a `hidden beast` number, since 129 + 0 + 41 + 390 + 106 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28290066 + ... + 28294626.

It is an arithmetic number, because the mean of its divisors is an integer number (3123528408).

Almost surely, 2^129041390106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129041390106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149929363584).

129041390106 is an abundant number, since it is smaller than the sum of its proper divisors (170817337062).

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

129041390106 is a wasteful number, since it uses less digits than its factorization.

129041390106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6476 (or 6473 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 129041390106 in words is "one hundred twenty-nine billion, forty-one million, three hundred ninety thousand, one hundred six".