130942249 has 3 divisors (see below), whose sum is σ = 130953693. Its totient is φ = 130930806.

The previous prime is 130942241. The next prime is 130942261. The reversal of 130942249 is 942249031.

The square root of 130942249 is 11443.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 130942249 - 2³ = 130942241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130942241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5722 + ... + 17164.

It is an arithmetic number, because the mean of its divisors is an integer number (43651231).

Almost surely, 2^130942249 is an apocalyptic number.

130942249 is the 11443-rd square number.

130942249 is the 5722-nd centered octagonal number.

It is an amenable number.

130942249 is a deficient number, since it is larger than the sum of its proper divisors (11444).

130942249 is an frugal number, since it uses more digits than its factorization.

130942249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22886 (or 11443 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The cubic root of 130942249 is about 507.8006650193.

The spelling of 130942249 in words is "one hundred thirty million, nine hundred forty-two thousand, two hundred forty-nine".