130134445 has 24 divisors (see below), whose sum is σ = 182344824. Its totient is φ = 88897536.

The previous prime is 130134427. The next prime is 130134449. The reversal of 130134445 is 544431031.

It can be written as a sum of positive squares in 4 ways, for example, as 8892324 + 121242121 = 2982^2 + 11011^2 .

It is not a de Polignac number, because 130134445 - 2¹³ = 130126253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130134449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75837 + ... + 77533.

It is an arithmetic number, because the mean of its divisors is an integer number (7597701).

Almost surely, 2^130134445 is an apocalyptic number.

It is an amenable number.

130134445 is a deficient number, since it is larger than the sum of its proper divisors (52210379).

130134445 is a wasteful number, since it uses less digits than its factorization.

130134445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029 (or 2022 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 130134445 is about 11407.6485307008. The cubic root of 130134445 is about 506.7542753534.

Adding to 130134445 its reverse (544431031), we get a palindrome (674565476).

The spelling of 130134445 in words is "one hundred thirty million, one hundred thirty-four thousand, four hundred forty-five".