134005541 has 2 divisors, whose sum is σ = 134005542. Its totient is φ = 134005540.

The previous prime is 134005489. The next prime is 134005583. The reversal of 134005541 is 145500431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93683041 + 40322500 = 9679^2 + 6350^2 .

It is a cyclic number.

It is not a de Polignac number, because 134005541 - 2⁶ = 134005477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134005141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67002770 + 67002771.

It is an arithmetic number, because the mean of its divisors is an integer number (67002771).

Almost surely, 2^134005541 is an apocalyptic number.

It is an amenable number.

134005541 is a deficient number, since it is larger than the sum of its proper divisors (1).

134005541 is an equidigital number, since it uses as much as digits as its factorization.

134005541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 134005541 is about 11576.0762350634. The cubic root of 134005541 is about 511.7300479699.

Adding to 134005541 its reverse (145500431), we get a palindrome (279505972).

The spelling of 134005541 in words is "one hundred thirty-four million, five thousand, five hundred forty-one".