131255266 has 16 divisors (see below), whose sum is σ = 208918656. Its totient is φ = 61632576.

The previous prime is 131255251. The next prime is 131255279. The reversal of 131255266 is 662552131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12595 + ... + 20521.

It is an arithmetic number, because the mean of its divisors is an integer number (13057416).

Almost surely, 2^131255266 is an apocalyptic number.

131255266 is a deficient number, since it is larger than the sum of its proper divisors (77663390).

131255266 is a wasteful number, since it uses less digits than its factorization.

131255266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8433.

The product of its digits is 10800, while the sum is 31.

The square root of 131255266 is about 11456.6690621664. The cubic root of 131255266 is about 508.2049749428.

The spelling of 131255266 in words is "one hundred thirty-one million, two hundred fifty-five thousand, two hundred sixty-six".