86146135857941 has 2 divisors, whose sum is σ = 86146135857942. Its totient is φ = 86146135857940.

The previous prime is 86146135857919. The next prime is 86146135858021. The reversal of 86146135857941 is 14975853164168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60507458051716 + 25638677806225 = 7778654^2 + 5063465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86146135857941 is a prime.

It is a super-4 number, since 4×86146135857941⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86146135857911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43073067928970 + 43073067928971.

It is an arithmetic number, because the mean of its divisors is an integer number (43073067928971).

Almost surely, 2^{86146135857941} is an apocalyptic number.

It is an amenable number.

86146135857941 is a deficient number, since it is larger than the sum of its proper divisors (1).

86146135857941 is an equidigital number, since it uses as much as digits as its factorization.

86146135857941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174182400, while the sum is 68.

The spelling of 86146135857941 in words is "eighty-six trillion, one hundred forty-six billion, one hundred thirty-five million, eight hundred fifty-seven thousand, nine hundred forty-one".