131880266 has 24 divisors (see below), whose sum is σ = 232173540. Its totient is φ = 56015232.

The previous prime is 131880241. The next prime is 131880283. The reversal of 131880266 is 662088131.

It can be written as a sum of positive squares in 2 ways, for example, as 110986225 + 20894041 = 10535^2 + 4571^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5120 + ... + 17028.

Almost surely, 2^131880266 is an apocalyptic number.

131880266 is a deficient number, since it is larger than the sum of its proper divisors (100293274).

131880266 is a wasteful number, since it uses less digits than its factorization.

131880266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12038 (or 12031 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 131880266 is about 11483.9133573882. The cubic root of 131880266 is about 509.0103401854.

The spelling of 131880266 in words is "one hundred thirty-one million, eight hundred eighty thousand, two hundred sixty-six".