130405032 has 64 divisors (see below), whose sum is σ = 378000000. Its totient is φ = 41576832.

The previous prime is 130405027. The next prime is 130405043. The reversal of 130405032 is 230504031.

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

It is a junction number, because it is equal to n+sod(n) for n = 130404996 and 130405014.

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, 8157 + ... + 18092.

It is an arithmetic number, because the mean of its divisors is an integer number (5906250).

Almost surely, 2^130405032 is an apocalyptic number.

130405032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130405032 is an abundant number, since it is smaller than the sum of its proper divisors (247594968).

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

130405032 is a wasteful number, since it uses less digits than its factorization.

130405032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26287 (or 26277 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 130405032 is about 11419.5022658608. The cubic root of 130405032 is about 507.1052615729.

Adding to 130405032 its reverse (230504031), we get a palindrome (360909063).

The spelling of 130405032 in words is "one hundred thirty million, four hundred five thousand, thirty-two".