135065643 has 16 divisors (see below), whose sum is σ = 184098816. Its totient is φ = 88058880.

The previous prime is 135065633. The next prime is 135065647. The reversal of 135065643 is 346560531.

It is not a de Polignac number, because 135065643 - 2⁴ = 135065627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135065647) 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 in 15 ways as a sum of consecutive naturals, for example, 24555 + ... + 29547.

It is an arithmetic number, because the mean of its divisors is an integer number (11506176).

Almost surely, 2^135065643 is an apocalyptic number.

135065643 is a deficient number, since it is larger than the sum of its proper divisors (49033173).

135065643 is a wasteful number, since it uses less digits than its factorization.

135065643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 135065643 is about 11621.7745202701. The cubic root of 135065643 is about 513.0759171605.

The spelling of 135065643 in words is "one hundred thirty-five million, sixty-five thousand, six hundred forty-three".