131448049 has 4 divisors (see below), whose sum is σ = 134244864. Its totient is φ = 128651236.

The previous prime is 131448043. The next prime is 131448071. The reversal of 131448049 is 940844131.

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: 940844131 = 1373 ⋅685247.

It is a cyclic number.

It is not a de Polignac number, because 131448049 - 2⁵ = 131448017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131448043) 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, 1398337 + ... + 1398430.

It is an arithmetic number, because the mean of its divisors is an integer number (33561216).

Almost surely, 2^131448049 is an apocalyptic number.

It is an amenable number.

131448049 is a deficient number, since it is larger than the sum of its proper divisors (2796815).

131448049 is an equidigital number, since it uses as much as digits as its factorization.

131448049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796814.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 131448049 is about 11465.0795461698. The cubic root of 131448049 is about 508.4536642722.

The spelling of 131448049 in words is "one hundred thirty-one million, four hundred forty-eight thousand, forty-nine".