131413440541 has 4 divisors (see below), whose sum is σ = 133213624732. Its totient is φ = 129613256352.

The previous prime is 131413440493. The next prime is 131413440553. The reversal of 131413440541 is 145044314131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30851517316 + 100561923225 = 175646^2 + 317115^2 .

It is a cyclic number.

It is not a de Polignac number, because 131413440541 - 2⁷ = 131413440413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131413440241) 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, 900091986 + ... + 900092131.

It is an arithmetic number, because the mean of its divisors is an integer number (33303406183).

Almost surely, 2^131413440541 is an apocalyptic number.

It is an amenable number.

131413440541 is a deficient number, since it is larger than the sum of its proper divisors (1800184191).

131413440541 is an equidigital number, since it uses as much as digits as its factorization.

131413440541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800184190.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 131413440541 its reverse (145044314131), we get a palindrome (276457754672).

The spelling of 131413440541 in words is "one hundred thirty-one billion, four hundred thirteen million, four hundred forty thousand, five hundred forty-one".