264565135 has 16 divisors (see below), whose sum is σ = 342501696. Its totient is φ = 195440128.

The previous prime is 264565123. The next prime is 264565141. The reversal of 264565135 is 531565462.

It is a cyclic number.

It is not a de Polignac number, because 264565135 - 2²¹ = 262467983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264565094 and 264565103.

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 15 ways as a sum of consecutive naturals, for example, 24859 + ... + 33868.

It is an arithmetic number, because the mean of its divisors is an integer number (21406356).

Almost surely, 2^264565135 is an apocalyptic number.

264565135 is a deficient number, since it is larger than the sum of its proper divisors (77936561).

264565135 is a wasteful number, since it uses less digits than its factorization.

264565135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58802.

The product of its digits is 108000, while the sum is 37.

The square root of 264565135 is about 16265.4583396841. The cubic root of 264565135 is about 641.9642897358.

The spelling of 264565135 in words is "two hundred sixty-four million, five hundred sixty-five thousand, one hundred thirty-five".