130432140 has 96 divisors (see below), whose sum is σ = 419832000. Its totient is φ = 33578496.

The previous prime is 130432123. The next prime is 130432147. The reversal of 130432140 is 41234031.

130432140 is a `hidden beast` number, since 1 + 304 + 321 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (130432147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11496 + ... + 19824.

It is an arithmetic number, because the mean of its divisors is an integer number (4373250).

Almost surely, 2^130432140 is an apocalyptic number.

130432140 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 130432140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209916000).

130432140 is an abundant number, since it is smaller than the sum of its proper divisors (289399860).

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

130432140 is a wasteful number, since it uses less digits than its factorization.

130432140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8376 (or 8368 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 130432140 is about 11420.6891210645. The cubic root of 130432140 is about 507.1403973771.

Adding to 130432140 its reverse (41234031), we get a palindrome (171666171).

The spelling of 130432140 in words is "one hundred thirty million, four hundred thirty-two thousand, one hundred forty".