133404454541 has 2 divisors, whose sum is σ = 133404454542. Its totient is φ = 133404454540.

The previous prime is 133404454511. The next prime is 133404454549. The reversal of 133404454541 is 145454404331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69384828100 + 64019626441 = 263410^2 + 253021^2 .

It is an emirp because it is prime and its reverse (145454404331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133404454541 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133404454495 and 133404454504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133404454549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66702227270 + 66702227271.

It is an arithmetic number, because the mean of its divisors is an integer number (66702227271).

Almost surely, 2^133404454541 is an apocalyptic number.

It is an amenable number.

133404454541 is a deficient number, since it is larger than the sum of its proper divisors (1).

133404454541 is an equidigital number, since it uses as much as digits as its factorization.

133404454541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 133404454541 its reverse (145454404331), we get a palindrome (278858858872).

The spelling of 133404454541 in words is "one hundred thirty-three billion, four hundred four million, four hundred fifty-four thousand, five hundred forty-one".