131920586 has 16 divisors (see below), whose sum is σ = 226347264. Its totient is φ = 56487984.

The previous prime is 131920573. The next prime is 131920601. The reversal of 131920586 is 685029131.

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, 15791 + ... + 22653.

It is an arithmetic number, because the mean of its divisors is an integer number (14146704).

Almost surely, 2^131920586 is an apocalyptic number.

131920586 is a deficient number, since it is larger than the sum of its proper divisors (94426678).

131920586 is a wasteful number, since it uses less digits than its factorization.

131920586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8245.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 131920586 is about 11485.6687223688. The cubic root of 131920586 is about 509.0622084605.

The spelling of 131920586 in words is "one hundred thirty-one million, nine hundred twenty thousand, five hundred eighty-six".