264135461 has 4 divisors (see below), whose sum is σ = 264204000. Its totient is φ = 264066924.

The previous prime is 264135439. The next prime is 264135463. The reversal of 264135461 is 164531462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264135461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264135463) by changing a digit.

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, 28121 + ... + 36318.

It is an arithmetic number, because the mean of its divisors is an integer number (66051000).

Almost surely, 2^264135461 is an apocalyptic number.

It is an amenable number.

264135461 is a deficient number, since it is larger than the sum of its proper divisors (68539).

264135461 is an equidigital number, since it uses as much as digits as its factorization.

264135461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68538.

The product of its digits is 17280, while the sum is 32.

The square root of 264135461 is about 16252.2447987963. The cubic root of 264135461 is about 641.6165684018.

The spelling of 264135461 in words is "two hundred sixty-four million, one hundred thirty-five thousand, four hundred sixty-one".