135065551 has 2 divisors, whose sum is σ = 135065552. Its totient is φ = 135065550.

The previous prime is 135065533. The next prime is 135065563. The reversal of 135065551 is 155560531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135065551 - 2¹¹ = 135063503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135065251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67532775 + 67532776.

It is an arithmetic number, because the mean of its divisors is an integer number (67532776).

Almost surely, 2^135065551 is an apocalyptic number.

135065551 is a deficient number, since it is larger than the sum of its proper divisors (1).

135065551 is an equidigital number, since it uses as much as digits as its factorization.

135065551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 135065551 is about 11621.7705621820. The cubic root of 135065551 is about 513.0758006666.

The spelling of 135065551 in words is "one hundred thirty-five million, sixty-five thousand, five hundred fifty-one".