86130137 has 2 divisors, whose sum is σ = 86130138. Its totient is φ = 86130136.

The previous prime is 86130127. The next prime is 86130139. The reversal of 86130137 is 73103168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46389721 + 39740416 = 6811^2 + 6304^2 .

It is a cyclic number.

It is not a de Polignac number, because 86130137 - 2¹² = 86126041 is a prime.

Together with 86130139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86130139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43065068 + 43065069.

It is an arithmetic number, because the mean of its divisors is an integer number (43065069).

Almost surely, 2^86130137 is an apocalyptic number.

It is an amenable number.

86130137 is a deficient number, since it is larger than the sum of its proper divisors (1).

86130137 is an equidigital number, since it uses as much as digits as its factorization.

86130137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 86130137 is about 9280.6323599203. The cubic root of 86130137 is about 441.6230295244.

The spelling of 86130137 in words is "eighty-six million, one hundred thirty thousand, one hundred thirty-seven".