131744450 has 24 divisors (see below), whose sum is σ = 245698932. Its totient is φ = 52557120.

The previous prime is 131744443. The next prime is 131744453. The reversal of 131744450 is 54447131.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 19829209 + 111915241 = 4453^2 + 10579^2 .

It is not an unprimeable number, because it can be changed into a prime (131744453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16532 + ... + 23168.

Almost surely, 2^131744450 is an apocalyptic number.

131744450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131744450 is a deficient number, since it is larger than the sum of its proper divisors (113954482).

131744450 is a wasteful number, since it uses less digits than its factorization.

131744450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7046 (or 7041 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 131744450 is about 11477.9985189056. The cubic root of 131744450 is about 508.8355465496.

The spelling of 131744450 in words is "one hundred thirty-one million, seven hundred forty-four thousand, four hundred fifty".