131240141 has 2 divisors, whose sum is σ = 131240142. Its totient is φ = 131240140.

The previous prime is 131240113. The next prime is 131240177. The reversal of 131240141 is 141042131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131102500 + 137641 = 11450^2 + 371^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131240141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131240191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65620070 + 65620071.

It is an arithmetic number, because the mean of its divisors is an integer number (65620071).

Almost surely, 2^131240141 is an apocalyptic number.

It is an amenable number.

131240141 is a deficient number, since it is larger than the sum of its proper divisors (1).

131240141 is an equidigital number, since it uses as much as digits as its factorization.

131240141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 131240141 is about 11456.0089472730. The cubic root of 131240141 is about 508.1854534517.

Adding to 131240141 its reverse (141042131), we get a palindrome (272282272).

The spelling of 131240141 in words is "one hundred thirty-one million, two hundred forty thousand, one hundred forty-one".