131447026 has 24 divisors (see below), whose sum is σ = 210463236. Its totient is φ = 61559040.

The previous prime is 131447021. The next prime is 131447027. The reversal of 131447026 is 620744131.

It can be written as a sum of positive squares in 6 ways, for example, as 65593801 + 65853225 = 8099^2 + 8115^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131446985 and 131447003.

It is not an unprimeable number, because it can be changed into a prime (131447021) 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 11 ways as a sum of consecutive naturals, for example, 159696 + ... + 160516.

Almost surely, 2^131447026 is an apocalyptic number.

131447026 is a deficient number, since it is larger than the sum of its proper divisors (79016210).

131447026 is a wasteful number, since it uses less digits than its factorization.

131447026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 131447026 is about 11465.0349323497. The cubic root of 131447026 is about 508.4523452481.

The spelling of 131447026 in words is "one hundred thirty-one million, four hundred forty-seven thousand, twenty-six".