131078266 has 16 divisors (see below), whose sum is σ = 215610048. Its totient is φ = 59270400.

The previous prime is 131078249. The next prime is 131078273. The reversal of 131078266 is 662870131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11190 + ... + 19681.

It is an arithmetic number, because the mean of its divisors is an integer number (13475628).

Almost surely, 2^131078266 is an apocalyptic number.

131078266 is a deficient number, since it is larger than the sum of its proper divisors (84531782).

131078266 is a wasteful number, since it uses less digits than its factorization.

131078266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31077.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 131078266 is about 11448.9416978164. The cubic root of 131078266 is about 507.9764311094.

The spelling of 131078266 in words is "one hundred thirty-one million, seventy-eight thousand, two hundred sixty-six".