206453136133 has 2 divisors, whose sum is σ = 206453136134. Its totient is φ = 206453136132.

The previous prime is 206453136083. The next prime is 206453136251. The reversal of 206453136133 is 331631354602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192741194529 + 13711941604 = 439023^2 + 117098^2 .

It is a cyclic number.

It is not a de Polignac number, because 206453136133 - 2²⁵ = 206419581701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206453136092 and 206453136101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206453236133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103226568066 + 103226568067.

It is an arithmetic number, because the mean of its divisors is an integer number (103226568067).

Almost surely, 2^206453136133 is an apocalyptic number.

It is an amenable number.

206453136133 is a deficient number, since it is larger than the sum of its proper divisors (1).

206453136133 is an equidigital number, since it uses as much as digits as its factorization.

206453136133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 37.

The spelling of 206453136133 in words is "two hundred six billion, four hundred fifty-three million, one hundred thirty-six thousand, one hundred thirty-three".