131522067605 has 16 divisors (see below), whose sum is σ = 161766633600. Its totient is φ = 102599060928.

The previous prime is 131522067601. The next prime is 131522067659. The reversal of 131522067605 is 506760225131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131522067605 - 2² = 131522067601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131522067601) 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 15 ways as a sum of consecutive naturals, for example, 381842 + ... + 639411.

It is an arithmetic number, because the mean of its divisors is an integer number (10110414600).

Almost surely, 2^131522067605 is an apocalyptic number.

It is an amenable number.

131522067605 is a deficient number, since it is larger than the sum of its proper divisors (30244565995).

131522067605 is a wasteful number, since it uses less digits than its factorization.

131522067605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021900.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 131522067605 in words is "one hundred thirty-one billion, five hundred twenty-two million, sixty-seven thousand, six hundred five".