864409135 has 4 divisors (see below), whose sum is σ = 1037290968. Its totient is φ = 691527304.

The previous prime is 864409129. The next prime is 864409157. The reversal of 864409135 is 531904468.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 864409135 - 2²⁹ = 327538223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86440909 + ... + 86440918.

It is an arithmetic number, because the mean of its divisors is an integer number (259322742).

Almost surely, 2^864409135 is an apocalyptic number.

864409135 is a deficient number, since it is larger than the sum of its proper divisors (172881833).

864409135 is a wasteful number, since it uses less digits than its factorization.

864409135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172881832.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 864409135 is about 29400.8356173766. The cubic root of 864409135 is about 952.5909457277.

The spelling of 864409135 in words is "eight hundred sixty-four million, four hundred nine thousand, one hundred thirty-five".