8158133 has 2 divisors, whose sum is σ = 8158134. Its totient is φ = 8158132.

The previous prime is 8158127. The next prime is 8158187. The reversal of 8158133 is 3318518.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7739524 + 418609 = 2782^2 + 647^2 .

It is a cyclic number.

It is not a de Polignac number, because 8158133 - 2¹⁰ = 8157109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8158096 and 8158105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8158103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4079066 + 4079067.

It is an arithmetic number, because the mean of its divisors is an integer number (4079067).

Almost surely, 2^8158133 is an apocalyptic number.

It is an amenable number.

8158133 is a deficient number, since it is larger than the sum of its proper divisors (1).

8158133 is an equidigital number, since it uses as much as digits as its factorization.

8158133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 29.

The square root of 8158133 is about 2856.2445623581. The cubic root of 8158133 is about 201.3091864549.

The spelling of 8158133 in words is "eight million, one hundred fifty-eight thousand, one hundred thirty-three".