131026449 has 8 divisors (see below), whose sum is σ = 174921120. Its totient is φ = 87241376.

The previous prime is 131026421. The next prime is 131026457. The reversal of 131026449 is 944620131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131026449 - 2⁵ = 131026417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131026249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24567 + ... + 29420.

It is an arithmetic number, because the mean of its divisors is an integer number (21865140).

Almost surely, 2^131026449 is an apocalyptic number.

It is an amenable number.

131026449 is a deficient number, since it is larger than the sum of its proper divisors (43894671).

131026449 is an equidigital number, since it uses as much as digits as its factorization.

131026449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54799.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 131026449 is about 11446.6785138747. The cubic root of 131026449 is about 507.9094856506.

The spelling of 131026449 in words is "one hundred thirty-one million, twenty-six thousand, four hundred forty-nine".