130129897728 has 144 divisors (see below), whose sum is σ = 349866868736. Its totient is φ = 42935961600.

The previous prime is 130129897727. The next prime is 130129897813. The reversal of 130129897728 is 827798921031.

It is not an unprimeable number, because it can be changed into a prime (130129897727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51010053 + ... + 51012603.

Almost surely, 2^130129897728 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 130129897728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174933434368).

130129897728 is an abundant number, since it is smaller than the sum of its proper divisors (219736971008).

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

130129897728 is a wasteful number, since it uses less digits than its factorization.

130129897728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220 (or 3206 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 57.

The spelling of 130129897728 in words is "one hundred thirty billion, one hundred twenty-nine million, eight hundred ninety-seven thousand, seven hundred twenty-eight".