131662079 has 2 divisors, whose sum is σ = 131662080. Its totient is φ = 131662078.

The previous prime is 131662073. The next prime is 131662103. The reversal of 131662079 is 970266131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131662079 - 2¹² = 131657983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131662073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65831039 + 65831040.

It is an arithmetic number, because the mean of its divisors is an integer number (65831040).

Almost surely, 2^131662079 is an apocalyptic number.

131662079 is a deficient number, since it is larger than the sum of its proper divisors (1).

131662079 is an equidigital number, since it uses as much as digits as its factorization.

131662079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 131662079 is about 11474.4097451677. The cubic root of 131662079 is about 508.7294774867.

The spelling of 131662079 in words is "one hundred thirty-one million, six hundred sixty-two thousand, seventy-nine".