131636061441 has 32 divisors (see below), whose sum is σ = 199379024640. Its totient is φ = 86888343600.

The previous prime is 131636061353. The next prime is 131636061443. The reversal of 131636061441 is 144160636131.

131636061441 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 3 + 606 + 1 + 4 + 41 = 666.

It is not a de Polignac number, because 131636061441 - 2¹⁵ = 131636028673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131636061396 and 131636061405.

It is not an unprimeable number, because it can be changed into a prime (131636061443) 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, 77085 + ... + 518858.

It is an arithmetic number, because the mean of its divisors is an integer number (6230594520).

Almost surely, 2^131636061441 is an apocalyptic number.

It is an amenable number.

131636061441 is a deficient number, since it is larger than the sum of its proper divisors (67742963199).

131636061441 is an frugal number, since it uses more digits than its factorization.

131636061441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596065 (or 596047 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

Adding to 131636061441 its reverse (144160636131), we get a palindrome (275796697572).

The spelling of 131636061441 in words is "one hundred thirty-one billion, six hundred thirty-six million, sixty-one thousand, four hundred forty-one".