130421312 has 56 divisors (see below), whose sum is σ = 299191680. Its totient is φ = 55249920.

The previous prime is 130421281. The next prime is 130421321. The reversal of 130421312 is 213124031.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38237 + ... + 41507.

Almost surely, 2^130421312 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 130421312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149595840).

130421312 is an abundant number, since it is smaller than the sum of its proper divisors (168770368).

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

130421312 is an equidigital number, since it uses as much as digits as its factorization.

130421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379 (or 3369 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 130421312 is about 11420.2150592710. The cubic root of 130421312 is about 507.1263633407.

Adding to 130421312 its reverse (213124031), we get a palindrome (343545343).

The spelling of 130421312 in words is "one hundred thirty million, four hundred twenty-one thousand, three hundred twelve".