131246066 has 24 divisors (see below), whose sum is σ = 227490240. Its totient is φ = 55630800.

The previous prime is 131246039. The next prime is 131246081. The reversal of 131246066 is 660642131.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 142355 + ... + 143273.

It is an arithmetic number, because the mean of its divisors is an integer number (9478760).

Almost surely, 2^131246066 is an apocalyptic number.

131246066 is a deficient number, since it is larger than the sum of its proper divisors (96244174).

131246066 is an equidigital number, since it uses as much as digits as its factorization.

131246066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 131246066 is about 11456.2675422670. The cubic root of 131246066 is about 508.1931008922.

Adding to 131246066 its reverse (660642131), we get a palindrome (791888197).

The spelling of 131246066 in words is "one hundred thirty-one million, two hundred forty-six thousand, sixty-six".