130444330 has 8 divisors (see below), whose sum is σ = 234799812. Its totient is φ = 52177728.

The previous prime is 130444283. The next prime is 130444331. The reversal of 130444330 is 33444031.

It can be written as a sum of positive squares in 2 ways, for example, as 124746561 + 5697769 = 11169^2 + 2387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (130444331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6522207 + ... + 6522226.

Almost surely, 2^130444330 is an apocalyptic number.

130444330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130444330 is a deficient number, since it is larger than the sum of its proper divisors (104355482).

130444330 is a wasteful number, since it uses less digits than its factorization.

130444330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13044440.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 130444330 is about 11421.2227891763. Note that the first 3 decimals coincide. The cubic root of 130444330 is about 507.1561957554.

Adding to 130444330 its reverse (33444031), we get a palindrome (163888361).

The spelling of 130444330 in words is "one hundred thirty million, four hundred forty-four thousand, three hundred thirty".