130229988 has 48 divisors (see below), whose sum is σ = 351482880. Its totient is φ = 36758304.

The previous prime is 130229987. The next prime is 130230017. The reversal of 130229988 is 889922031.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (130229987) 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, 2368 + ... + 16311.

It is an arithmetic number, because the mean of its divisors is an integer number (7322560).

Almost surely, 2^130229988 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 130229988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175741440).

130229988 is an abundant number, since it is smaller than the sum of its proper divisors (221252892).

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

130229988 is a wasteful number, since it uses less digits than its factorization.

130229988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18776 (or 18774 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 130229988 is about 11411.8354351962. The cubic root of 130229988 is about 506.8782624591.

The spelling of 130229988 in words is "one hundred thirty million, two hundred twenty-nine thousand, nine hundred eighty-eight".