65134387 has 2 divisors, whose sum is σ = 65134388. Its totient is φ = 65134386.

The previous prime is 65134357. The next prime is 65134411. The reversal of 65134387 is 78343156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65134387 - 2¹¹ = 65132339 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65134357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32567193 + 32567194.

It is an arithmetic number, because the mean of its divisors is an integer number (32567194).

Almost surely, 2^65134387 is an apocalyptic number.

65134387 is a deficient number, since it is larger than the sum of its proper divisors (1).

65134387 is an equidigital number, since it uses as much as digits as its factorization.

65134387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 65134387 is about 8070.5877728949. The cubic root of 65134387 is about 402.3494791006.

The spelling of 65134387 in words is "sixty-five million, one hundred thirty-four thousand, three hundred eighty-seven".