131662151 has 2 divisors, whose sum is σ = 131662152. Its totient is φ = 131662150.

The previous prime is 131662147. The next prime is 131662163. The reversal of 131662151 is 151266131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131662151 - 2² = 131662147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131662151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131662171) by changing a digit.

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 as a sum of consecutive naturals, namely, 65831075 + 65831076.

It is an arithmetic number, because the mean of its divisors is an integer number (65831076).

Almost surely, 2^131662151 is an apocalyptic number.

131662151 is a deficient number, since it is larger than the sum of its proper divisors (1).

131662151 is an equidigital number, since it uses as much as digits as its factorization.

131662151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 26.

The square root of 131662151 is about 11474.4128825836. The cubic root of 131662151 is about 508.7295702204.

The spelling of 131662151 in words is "one hundred thirty-one million, six hundred sixty-two thousand, one hundred fifty-one".