131226266 has 8 divisors (see below), whose sum is σ = 200175840. Its totient is φ = 64500988.

The previous prime is 131226253. The next prime is 131226283. The reversal of 131226266 is 662622131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555926 + ... + 556161.

It is an arithmetic number, because the mean of its divisors is an integer number (25021980).

Almost surely, 2^131226266 is an apocalyptic number.

131226266 is a deficient number, since it is larger than the sum of its proper divisors (68949574).

131226266 is a wasteful number, since it uses less digits than its factorization.

131226266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112148.

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

The square root of 131226266 is about 11455.4033538763. The cubic root of 131226266 is about 508.1675439879.

Adding to 131226266 its reverse (662622131), we get a palindrome (793848397).

The spelling of 131226266 in words is "one hundred thirty-one million, two hundred twenty-six thousand, two hundred sixty-six".