130797449 has 4 divisors (see below), whose sum is σ = 130824720. Its totient is φ = 130770180.

The previous prime is 130797437. The next prime is 130797497. The reversal of 130797449 is 944797031.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 944797031 = 59 ⋅16013509.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130797449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130797409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4319 + ... + 16740.

It is an arithmetic number, because the mean of its divisors is an integer number (32706180).

Almost surely, 2^130797449 is an apocalyptic number.

It is an amenable number.

130797449 is a deficient number, since it is larger than the sum of its proper divisors (27271).

130797449 is an equidigital number, since it uses as much as digits as its factorization.

130797449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27270.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 130797449 is about 11436.6712377335. The cubic root of 130797449 is about 507.6134154054.

The spelling of 130797449 in words is "one hundred thirty million, seven hundred ninety-seven thousand, four hundred forty-nine".