131522067541 has 4 divisors (see below), whose sum is σ = 132022151712. Its totient is φ = 131021983372.

The previous prime is 131522067497. The next prime is 131522067601. The reversal of 131522067541 is 145760225131.

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 131522067541 - 2³¹ = 129374583893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131522067541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131522067041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250041691 + ... + 250042216.

It is an arithmetic number, because the mean of its divisors is an integer number (33005537928).

Almost surely, 2^131522067541 is an apocalyptic number.

It is an amenable number.

131522067541 is a deficient number, since it is larger than the sum of its proper divisors (500084171).

131522067541 is an equidigital number, since it uses as much as digits as its factorization.

131522067541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500084170.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 131522067541 in words is "one hundred thirty-one billion, five hundred twenty-two million, sixty-seven thousand, five hundred forty-one".