133554041 has 2 divisors, whose sum is σ = 133554042. Its totient is φ = 133554040.

The previous prime is 133554037. The next prime is 133554049. The reversal of 133554041 is 140455331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69889600 + 63664441 = 8360^2 + 7979^2 .

It is an emirp because it is prime and its reverse (140455331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133554041 - 2² = 133554037 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133554041.

It is not a weakly prime, because it can be changed into another prime (133554049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66777020 + 66777021.

It is an arithmetic number, because the mean of its divisors is an integer number (66777021).

Almost surely, 2^133554041 is an apocalyptic number.

It is an amenable number.

133554041 is a deficient number, since it is larger than the sum of its proper divisors (1).

133554041 is an equidigital number, since it uses as much as digits as its factorization.

133554041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 133554041 is about 11556.5583544583. The cubic root of 133554041 is about 511.1546834817.

The spelling of 133554041 in words is "one hundred thirty-three million, five hundred fifty-four thousand, forty-one".