133000453 has 2 divisors, whose sum is σ = 133000454. Its totient is φ = 133000452.

The previous prime is 133000423. The next prime is 133000457. The reversal of 133000453 is 354000331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100942209 + 32058244 = 10047^2 + 5662^2 .

It is a cyclic number.

It is not a de Polignac number, because 133000453 - 2²¹ = 130903301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133000453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133000457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66500226 + 66500227.

It is an arithmetic number, because the mean of its divisors is an integer number (66500227).

Almost surely, 2^133000453 is an apocalyptic number.

It is an amenable number.

133000453 is a deficient number, since it is larger than the sum of its proper divisors (1).

133000453 is an equidigital number, since it uses as much as digits as its factorization.

133000453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 133000453 is about 11532.5822346949. The cubic root of 133000453 is about 510.4474517294.

Adding to 133000453 its reverse (354000331), we get a palindrome (487000784).

The spelling of 133000453 in words is "one hundred thirty-three million, four hundred fifty-three", and thus it is an aban number.