129091459848 has 192 divisors, whose sum is σ = 355154688000. Its totient is φ = 39077385984.

The previous prime is 129091459843. The next prime is 129091459867. The reversal of 129091459848 is 848954190921.

It is a Cunningham number, because it is equal to 359293²-1.

It is a super-3 number, since 3×129091459848³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 129091459791 and 129091459800.

It is not an unprimeable number, because it can be changed into a prime (129091459843) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121440165 + ... + 121441227.

It is an arithmetic number, because the mean of its divisors is an integer number (1849764000).

Almost surely, 2^129091459848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129091459848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177577344000).

129091459848 is an abundant number, since it is smaller than the sum of its proper divisors (226063228152).

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

129091459848 is a wasteful number, since it uses less digits than its factorization.

129091459848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 60.

The spelling of 129091459848 in words is "one hundred twenty-nine billion, ninety-one million, four hundred fifty-nine thousand, eight hundred forty-eight".