131226277 has 16 divisors (see below), whose sum is σ = 161779072. Its totient is φ = 103654080.

The previous prime is 131226253. The next prime is 131226283. The reversal of 131226277 is 772622131.

It is a cyclic number.

It is not a de Polignac number, because 131226277 - 2¹¹ = 131224229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131223277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101002 + ... + 102292.

It is an arithmetic number, because the mean of its divisors is an integer number (10111192).

Almost surely, 2^131226277 is an apocalyptic number.

It is an amenable number.

131226277 is a deficient number, since it is larger than the sum of its proper divisors (30552795).

131226277 is a wasteful number, since it uses less digits than its factorization.

131226277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428.

The product of its digits is 7056, while the sum is 31.

The square root of 131226277 is about 11455.4038339990. The cubic root of 131226277 is about 508.1675581869.

The spelling of 131226277 in words is "one hundred thirty-one million, two hundred twenty-six thousand, two hundred seventy-seven".