130444140 has 48 divisors (see below), whose sum is σ = 365783040. Its totient is φ = 34733760.

The previous prime is 130444091. The next prime is 130444151. The reversal of 130444140 is 41444031.

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, 57141 + ... + 59379.

It is an arithmetic number, because the mean of its divisors is an integer number (7620480).

Almost surely, 2^130444140 is an apocalyptic number.

130444140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130444140 is an abundant number, since it is smaller than the sum of its proper divisors (235338900).

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

130444140 is a wasteful number, since it uses less digits than its factorization.

130444140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222 (or 3220 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 130444140 is about 11421.2144713248. The cubic root of 130444140 is about 507.1559495208.

Adding to 130444140 its reverse (41444031), we get a palindrome (171888171).

The spelling of 130444140 in words is "one hundred thirty million, four hundred forty-four thousand, one hundred forty".