131260666541 has 8 divisors (see below), whose sum is σ = 131645350200. Its totient is φ = 130876508160.

The previous prime is 131260666499. The next prime is 131260666573. The reversal of 131260666541 is 145666062131.

It can be written as a sum of positive squares in 4 ways, for example, as 38502025 + 131222164516 = 6205^2 + 362246^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131260666541 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 (131260666241) 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, 372005 + ... + 633173.

It is an arithmetic number, because the mean of its divisors is an integer number (16455668775).

Almost surely, 2^131260666541 is an apocalyptic number.

It is an amenable number.

131260666541 is a deficient number, since it is larger than the sum of its proper divisors (384683659).

131260666541 is an equidigital number, since it uses as much as digits as its factorization.

131260666541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262639.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 131260666541 in words is "one hundred thirty-one billion, two hundred sixty million, six hundred sixty-six thousand, five hundred forty-one".