131336441 has 8 divisors (see below), whose sum is σ = 139163904. Its totient is φ = 123520320.

The previous prime is 131336437. The next prime is 131336453. The reversal of 131336441 is 144633131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131336441 - 2² = 131336437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131336441.

It is not an unprimeable number, because it can be changed into a prime (131336431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37616 + ... + 40958.

It is an arithmetic number, because the mean of its divisors is an integer number (17395488).

Almost surely, 2^131336441 is an apocalyptic number.

It is an amenable number.

131336441 is a deficient number, since it is larger than the sum of its proper divisors (7827463).

131336441 is a wasteful number, since it uses less digits than its factorization.

131336441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671.

The product of its digits is 2592, while the sum is 26.

The square root of 131336441 is about 11460.2112109681. The cubic root of 131336441 is about 508.3097200414.

Adding to 131336441 its reverse (144633131), we get a palindrome (275969572).

The spelling of 131336441 in words is "one hundred thirty-one million, three hundred thirty-six thousand, four hundred forty-one".