264340136 has 16 divisors (see below), whose sum is σ = 509033940. Its totient is φ = 128597760.

The previous prime is 264340117. The next prime is 264340159. The reversal of 264340136 is 631043462.

It can be written as a sum of positive squares in 2 ways, for example, as 176092900 + 88247236 = 13270^2 + 9394^2 .

It is a super-3 number, since 3×264340136³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264340099 and 264340108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446225 + ... + 446816.

Almost surely, 2^264340136 is an apocalyptic number.

It is an amenable number.

264340136 is a deficient number, since it is larger than the sum of its proper divisors (244693804).

264340136 is a wasteful number, since it uses less digits than its factorization.

264340136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893084 (or 893080 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 264340136 is about 16258.5404018934. The cubic root of 264340136 is about 641.7822522837.

Adding to 264340136 its reverse (631043462), we get a palindrome (895383598).

The spelling of 264340136 in words is "two hundred sixty-four million, three hundred forty thousand, one hundred thirty-six".