131757405441 has 4 divisors (see below), whose sum is σ = 175676540592. Its totient is φ = 87838270292.

The previous prime is 131757405431. The next prime is 131757405443. The reversal of 131757405441 is 144504757131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131757405441 - 2¹⁵ = 131757372673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131757405393 and 131757405402.

It is not an unprimeable number, because it can be changed into a prime (131757405443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21959567571 + ... + 21959567576.

It is an arithmetic number, because the mean of its divisors is an integer number (43919135148).

Almost surely, 2^131757405441 is an apocalyptic number.

It is an amenable number.

131757405441 is a deficient number, since it is larger than the sum of its proper divisors (43919135151).

131757405441 is an equidigital number, since it uses as much as digits as its factorization.

131757405441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43919135150.

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 131757405441 in words is "one hundred thirty-one billion, seven hundred fifty-seven million, four hundred five thousand, four hundred forty-one".