129841367040 has 1920 divisors, whose sum is σ = 616475059200. Its totient is φ = 25321144320.

The previous prime is 129841366987. The next prime is 129841367057. The reversal of 129841367040 is 40763148921.

129841367040 is a `hidden beast` number, since 129 + 8 + 413 + 6 + 70 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1213470667 + ... + 1213470773.

It is an arithmetic number, because the mean of its divisors is an integer number (321080760).

Almost surely, 2^129841367040 is an apocalyptic number.

129841367040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129841367040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308237529600).

129841367040 is an abundant number, since it is smaller than the sum of its proper divisors (486633692160).

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

129841367040 is a wasteful number, since it uses less digits than its factorization.

129841367040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 129841367040 in words is "one hundred twenty-nine billion, eight hundred forty-one million, three hundred sixty-seven thousand, forty".