131006541 has 8 divisors (see below), whose sum is σ = 174779584. Its totient is φ = 87285600.

The previous prime is 131006489. The next prime is 131006567. The reversal of 131006541 is 145600131.

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

It is not a de Polignac number, because 131006541 - 2¹¹ = 131004493 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 (131006441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6721 + ... + 17526.

It is an arithmetic number, because the mean of its divisors is an integer number (21847448).

Almost surely, 2^131006541 is an apocalyptic number.

It is an amenable number.

131006541 is a deficient number, since it is larger than the sum of its proper divisors (43773043).

131006541 is a wasteful number, since it uses less digits than its factorization.

131006541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26051.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 131006541 is about 11445.8088836045. The cubic root of 131006541 is about 507.8837606303.

Adding to 131006541 its reverse (145600131), we get a palindrome (276606672).

The spelling of 131006541 in words is "one hundred thirty-one million, six thousand, five hundred forty-one".