130400432 has 80 divisors (see below), whose sum is σ = 276952512. Its totient is φ = 59304960.

The previous prime is 130400423. The next prime is 130400441. The reversal of 130400432 is 234004031.

It is an interprime number because it is at equal distance from previous prime (130400423) and next prime (130400441).

It is a self number, because there is not a number n which added to its sum of digits gives 130400432.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 830498 + ... + 830654.

Almost surely, 2^130400432 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 130400432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138476256).

130400432 is an abundant number, since it is smaller than the sum of its proper divisors (146552080).

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

130400432 is a wasteful number, since it uses less digits than its factorization.

130400432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 130400432 is about 11419.3008542555. The cubic root of 130400432 is about 507.0992988387.

Adding to 130400432 its reverse (234004031), we get a palindrome (364404463).

The spelling of 130400432 in words is "one hundred thirty million, four hundred thousand, four hundred thirty-two".