130405330 has 24 divisors (see below), whose sum is σ = 258010956. Its totient is φ = 47419680.

The previous prime is 130405267. The next prime is 130405357. The reversal of 130405330 is 33504031.

It can be written as a sum of positive squares in 2 ways, for example, as 115498009 + 14907321 = 10747^2 + 3861^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130405298 and 130405307.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52677 + ... + 55096.

Almost surely, 2^130405330 is an apocalyptic number.

130405330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130405330 is a deficient number, since it is larger than the sum of its proper divisors (127605626).

130405330 is a wasteful number, since it uses less digits than its factorization.

130405330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107802 (or 107791 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 130405330 is about 11419.5153137075. The cubic root of 130405330 is about 507.1056478495.

Adding to 130405330 its reverse (33504031), we get a palindrome (163909361).

The spelling of 130405330 in words is "one hundred thirty million, four hundred five thousand, three hundred thirty".