135125041 has 2 divisors, whose sum is σ = 135125042. Its totient is φ = 135125040.

The previous prime is 135125021. The next prime is 135125099. The reversal of 135125041 is 140521531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88830625 + 46294416 = 9425^2 + 6804^2 .

It is a cyclic number.

It is not a de Polignac number, because 135125041 - 2¹⁵ = 135092273 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135125021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67562520 + 67562521.

It is an arithmetic number, because the mean of its divisors is an integer number (67562521).

Almost surely, 2^135125041 is an apocalyptic number.

It is an amenable number.

135125041 is a deficient number, since it is larger than the sum of its proper divisors (1).

135125041 is an equidigital number, since it uses as much as digits as its factorization.

135125041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 135125041 is about 11624.3297011054. The cubic root of 135125041 is about 513.1511181672.

Adding to 135125041 its reverse (140521531), we get a palindrome (275646572).

The spelling of 135125041 in words is "one hundred thirty-five million, one hundred twenty-five thousand, forty-one".