131740244 has 12 divisors (see below), whose sum is σ = 230665344. Its totient is φ = 65835864.

The previous prime is 131740237. The next prime is 131740247. The reversal of 131740244 is 442047131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131740247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1367 + ... + 16289.

It is an arithmetic number, because the mean of its divisors is an integer number (19222112).

Almost surely, 2^131740244 is an apocalyptic number.

It is an amenable number.

131740244 is a deficient number, since it is larger than the sum of its proper divisors (98925100).

131740244 is a wasteful number, since it uses less digits than its factorization.

131740244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17134 (or 17132 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 131740244 is about 11477.8152973464. The cubic root of 131740244 is about 508.8301315584.

Adding to 131740244 its reverse (442047131), we get a palindrome (573787375).

The spelling of 131740244 in words is "one hundred thirty-one million, seven hundred forty thousand, two hundred forty-four".