85146133 has 2 divisors, whose sum is σ = 85146134. Its totient is φ = 85146132.

The previous prime is 85146107. The next prime is 85146151. The reversal of 85146133 is 33164158.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77845329 + 7300804 = 8823^2 + 2702^2 .

It is a cyclic number.

It is not a de Polignac number, because 85146133 - 2⁵ = 85146101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85146095 and 85146104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85146433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42573066 + 42573067.

It is an arithmetic number, because the mean of its divisors is an integer number (42573067).

Almost surely, 2^85146133 is an apocalyptic number.

It is an amenable number.

85146133 is a deficient number, since it is larger than the sum of its proper divisors (1).

85146133 is an equidigital number, since it uses as much as digits as its factorization.

85146133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 85146133 is about 9227.4662286025. The cubic root of 85146133 is about 439.9347923340.

The spelling of 85146133 in words is "eighty-five million, one hundred forty-six thousand, one hundred thirty-three".