131266246 has 4 divisors (see below), whose sum is σ = 196899372. Its totient is φ = 65633122.

The previous prime is 131266237. The next prime is 131266259. The reversal of 131266246 is 642662131.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent 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 as a sum of consecutive naturals, namely, 32816560 + ... + 32816563.

It is an arithmetic number, because the mean of its divisors is an integer number (49224843).

Almost surely, 2^131266246 is an apocalyptic number.

131266246 is a deficient number, since it is larger than the sum of its proper divisors (65633126).

131266246 is an equidigital number, since it uses as much as digits as its factorization.

131266246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65633125.

The product of its digits is 10368, while the sum is 31.

The square root of 131266246 is about 11457.1482490190. The cubic root of 131266246 is about 508.2191456379.

The spelling of 131266246 in words is "one hundred thirty-one million, two hundred sixty-six thousand, two hundred forty-six".