131675449 has 4 divisors (see below), whose sum is σ = 131875920. Its totient is φ = 131474980.

The previous prime is 131675419. The next prime is 131675459. The reversal of 131675449 is 944576131.

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: 944576131 = 26729 ⋅35339.

It is a cyclic number.

It is not a de Polignac number, because 131675449 - 2¹⁵ = 131642681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131675419) 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, 99247 + ... + 100564.

It is an arithmetic number, because the mean of its divisors is an integer number (32968980).

Almost surely, 2^131675449 is an apocalyptic number.

It is an amenable number.

131675449 is a deficient number, since it is larger than the sum of its proper divisors (200471).

131675449 is an equidigital number, since it uses as much as digits as its factorization.

131675449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200470.

The product of its digits is 90720, while the sum is 40.

The square root of 131675449 is about 11474.9923311521. The cubic root of 131675449 is about 508.7466970308.

The spelling of 131675449 in words is "one hundred thirty-one million, six hundred seventy-five thousand, four hundred forty-nine".