131662147 has 2 divisors, whose sum is σ = 131662148. Its totient is φ = 131662146.

The previous prime is 131662133. The next prime is 131662151. The reversal of 131662147 is 741266131.

It is a strong prime.

It is an emirp because it is prime and its reverse (741266131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131662147 - 2⁷ = 131662019 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131662747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65831073 + 65831074.

It is an arithmetic number, because the mean of its divisors is an integer number (65831074).

Almost surely, 2^131662147 is an apocalyptic number.

131662147 is a deficient number, since it is larger than the sum of its proper divisors (1).

131662147 is an equidigital number, since it uses as much as digits as its factorization.

131662147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 131662147 is about 11474.4127082827. The cubic root of 131662147 is about 508.7295650685.

The spelling of 131662147 in words is "one hundred thirty-one million, six hundred sixty-two thousand, one hundred forty-seven".