130561149 has 4 divisors (see below), whose sum is σ = 174081536. Its totient is φ = 87040764.

The previous prime is 130561147. The next prime is 130561169. The reversal of 130561149 is 941165031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 130561149 - 2¹ = 130561147 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 (130561147) 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, 21760189 + ... + 21760194.

It is an arithmetic number, because the mean of its divisors is an integer number (43520384).

Almost surely, 2^130561149 is an apocalyptic number.

It is an amenable number.

130561149 is a deficient number, since it is larger than the sum of its proper divisors (43520387).

130561149 is an equidigital number, since it uses as much as digits as its factorization.

130561149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43520386.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 130561149 is about 11426.3357643647. The cubic root of 130561149 is about 507.3075446175.

The spelling of 130561149 in words is "one hundred thirty million, five hundred sixty-one thousand, one hundred forty-nine".