131446049 has 4 divisors (see below), whose sum is σ = 150224064. Its totient is φ = 112668036.

The previous prime is 131446039. The next prime is 131446061. The reversal of 131446049 is 940644131.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131446049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131446019) 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, 9388997 + ... + 9389010.

It is an arithmetic number, because the mean of its divisors is an integer number (37556016).

Almost surely, 2^131446049 is an apocalyptic number.

It is an amenable number.

131446049 is a deficient number, since it is larger than the sum of its proper divisors (18778015).

131446049 is an equidigital number, since it uses as much as digits as its factorization.

131446049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18778014.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 131446049 is about 11464.9923244632. The cubic root of 131446049 is about 508.4510855285.

The spelling of 131446049 in words is "one hundred thirty-one million, four hundred forty-six thousand, forty-nine".