131982605 has 16 divisors (see below), whose sum is σ = 160199424. Its totient is φ = 104380800.

The previous prime is 131982601. The next prime is 131982619. The reversal of 131982605 is 506289131.

It is not a de Polignac number, because 131982605 - 2² = 131982601 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 (131982601) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 219305 + ... + 219905.

It is an arithmetic number, because the mean of its divisors is an integer number (10012464).

Almost surely, 2^131982605 is an apocalyptic number.

It is an amenable number.

131982605 is a deficient number, since it is larger than the sum of its proper divisors (28216819).

131982605 is a wasteful number, since it uses less digits than its factorization.

131982605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036.

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

The square root of 131982605 is about 11488.3682479280. The cubic root of 131982605 is about 509.1419700399.

The spelling of 131982605 in words is "one hundred thirty-one million, nine hundred eighty-two thousand, six hundred five".