131644925 has 12 divisors (see below), whose sum is σ = 163385376. Its totient is φ = 105222000.

The previous prime is 131644921. The next prime is 131644969. The reversal of 131644925 is 529446131.

It is not a de Polignac number, because 131644925 - 2² = 131644921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131644921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44750 + ... + 47600.

It is an arithmetic number, because the mean of its divisors is an integer number (13615448).

Almost surely, 2^131644925 is an apocalyptic number.

It is an amenable number.

131644925 is a deficient number, since it is larger than the sum of its proper divisors (31740451).

131644925 is a wasteful number, since it uses less digits than its factorization.

131644925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708 (or 4703 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 131644925 is about 11473.6622313889. The cubic root of 131644925 is about 508.7073827309.

The spelling of 131644925 in words is "one hundred thirty-one million, six hundred forty-four thousand, nine hundred twenty-five".