133401131441 has 2 divisors, whose sum is σ = 133401131442. Its totient is φ = 133401131440.

The previous prime is 133401131417. The next prime is 133401131449. The reversal of 133401131441 is 144131104331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98797691041 + 34603440400 = 314321^2 + 186020^2 .

It is a cyclic number.

It is not a de Polignac number, because 133401131441 - 2²² = 133396937137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133401131441.

It is not a weakly prime, because it can be changed into another prime (133401131449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66700565720 + 66700565721.

It is an arithmetic number, because the mean of its divisors is an integer number (66700565721).

Almost surely, 2^133401131441 is an apocalyptic number.

It is an amenable number.

133401131441 is a deficient number, since it is larger than the sum of its proper divisors (1).

133401131441 is an equidigital number, since it uses as much as digits as its factorization.

133401131441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 133401131441 its reverse (144131104331), we get a palindrome (277532235772).

The spelling of 133401131441 in words is "one hundred thirty-three billion, four hundred one million, one hundred thirty-one thousand, four hundred forty-one".