131744325 has 12 divisors (see below), whose sum is σ = 217817408. Its totient is φ = 70263600.

The previous prime is 131744317. The next prime is 131744369. The reversal of 131744325 is 523447131.

It is a happy number.

It is not a de Polignac number, because 131744325 - 2³ = 131744317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 131744292 and 131744301.

It is a congruent number.

It is an unprimeable number.

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, 878221 + ... + 878370.

Almost surely, 2^131744325 is an apocalyptic number.

131744325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131744325 is a deficient number, since it is larger than the sum of its proper divisors (86073083).

131744325 is a wasteful number, since it uses less digits than its factorization.

131744325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756604 (or 1756599 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 131744325 is about 11477.9930737041. The cubic root of 131744325 is about 508.8353856207.

The spelling of 131744325 in words is "one hundred thirty-one million, seven hundred forty-four thousand, three hundred twenty-five".