135809465 has 16 divisors (see below), whose sum is σ = 183919680. Its totient is φ = 95363520.

The previous prime is 135809459. The next prime is 135809467. The reversal of 135809465 is 564908531.

It is not a de Polignac number, because 135809465 - 2⁴ = 135809449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135809467) 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, 40979 + ... + 44168.

It is an arithmetic number, because the mean of its divisors is an integer number (11494980).

Almost surely, 2^135809465 is an apocalyptic number.

It is an amenable number.

135809465 is a deficient number, since it is larger than the sum of its proper divisors (48110215).

135809465 is a wasteful number, since it uses less digits than its factorization.

135809465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85192.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 135809465 is about 11653.7318057350. The cubic root of 135809465 is about 514.0160494517.

The spelling of 135809465 in words is "one hundred thirty-five million, eight hundred nine thousand, four hundred sixty-five".