135415061 has 2 divisors, whose sum is σ = 135415062. Its totient is φ = 135415060.

The previous prime is 135415009. The next prime is 135415067. The reversal of 135415061 is 160514531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110355025 + 25060036 = 10505^2 + 5006^2 .

It is a cyclic number.

It is not a de Polignac number, because 135415061 - 2⁶ = 135414997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135415061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135415067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67707530 + 67707531.

It is an arithmetic number, because the mean of its divisors is an integer number (67707531).

Almost surely, 2^135415061 is an apocalyptic number.

It is an amenable number.

135415061 is a deficient number, since it is larger than the sum of its proper divisors (1).

135415061 is an equidigital number, since it uses as much as digits as its factorization.

135415061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 135415061 is about 11636.7977124293. The cubic root of 135415061 is about 513.5179826626.

Adding to 135415061 its reverse (160514531), we get a palindrome (295929592).

The spelling of 135415061 in words is "one hundred thirty-five million, four hundred fifteen thousand, sixty-one".