131440141 has 32 divisors (see below), whose sum is σ = 164263680. Its totient is φ = 102629376.

The previous prime is 131440139. The next prime is 131440163. The reversal of 131440141 is 141044131.

It is a cyclic number.

It is not a de Polignac number, because 131440141 - 2¹ = 131440139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131440171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 680941 + ... + 681133.

It is an arithmetic number, because the mean of its divisors is an integer number (5133240).

Almost surely, 2^131440141 is an apocalyptic number.

It is an amenable number.

131440141 is a deficient number, since it is larger than the sum of its proper divisors (32823539).

131440141 is a wasteful number, since it uses less digits than its factorization.

131440141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 131440141 is about 11464.7346676668. The cubic root of 131440141 is about 508.4434677669.

Adding to 131440141 its reverse (141044131), we get a palindrome (272484272).

The spelling of 131440141 in words is "one hundred thirty-one million, four hundred forty thousand, one hundred forty-one".