131605080434 has 16 divisors (see below), whose sum is σ = 198336798720. Its totient is φ = 65493533280.

The previous prime is 131605080407. The next prime is 131605080443. The reversal of 131605080434 is 434080506131.

It is a junction number, because it is equal to n+sod(n) for n = 131605080394 and 131605080403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187574 + ... + 546254.

It is an arithmetic number, because the mean of its divisors is an integer number (12396049920).

Almost surely, 2^131605080434 is an apocalyptic number.

131605080434 is a deficient number, since it is larger than the sum of its proper divisors (66731718286).

131605080434 is a wasteful number, since it uses less digits than its factorization.

131605080434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359545.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 131605080434 its reverse (434080506131), we get a palindrome (565685586565).

The spelling of 131605080434 in words is "one hundred thirty-one billion, six hundred five million, eighty thousand, four hundred thirty-four".