135062261 has 2 divisors, whose sum is σ = 135062262. Its totient is φ = 135062260.

The previous prime is 135062231. The next prime is 135062267. The reversal of 135062261 is 162260531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129254161 + 5808100 = 11369^2 + 2410^2 .

It is a cyclic number.

It is not a de Polignac number, because 135062261 - 2⁶ = 135062197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135062261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135062267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67531130 + 67531131.

It is an arithmetic number, because the mean of its divisors is an integer number (67531131).

Almost surely, 2^135062261 is an apocalyptic number.

It is an amenable number.

135062261 is a deficient number, since it is larger than the sum of its proper divisors (1).

135062261 is an equidigital number, since it uses as much as digits as its factorization.

135062261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 135062261 is about 11621.6290166224. The cubic root of 135062261 is about 513.0716347065.

The spelling of 135062261 in words is "one hundred thirty-five million, sixty-two thousand, two hundred sixty-one".