8140536133 has 2 divisors, whose sum is σ = 8140536134. Its totient is φ = 8140536132.

The previous prime is 8140536091. The next prime is 8140536143. The reversal of 8140536133 is 3316350418.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7946296164 + 194239969 = 89142^2 + 13937^2 .

It is a cyclic number.

It is not a de Polignac number, because 8140536133 - 2⁹ = 8140535621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8140536143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4070268066 + 4070268067.

It is an arithmetic number, because the mean of its divisors is an integer number (4070268067).

Almost surely, 2^8140536133 is an apocalyptic number.

It is an amenable number.

8140536133 is a deficient number, since it is larger than the sum of its proper divisors (1).

8140536133 is an equidigital number, since it uses as much as digits as its factorization.

8140536133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 8140536133 is about 90224.9196896290. The cubic root of 8140536133 is about 2011.6434281659.

The spelling of 8140536133 in words is "eight billion, one hundred forty million, five hundred thirty-six thousand, one hundred thirty-three".