264140117 has 2 divisors, whose sum is σ = 264140118. Its totient is φ = 264140116.

The previous prime is 264140089. The next prime is 264140131. The reversal of 264140117 is 711041462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253733041 + 10407076 = 15929^2 + 3226^2 .

It is a cyclic number.

It is not a de Polignac number, because 264140117 - 2²² = 259945813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264140137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132070058 + 132070059.

It is an arithmetic number, because the mean of its divisors is an integer number (132070059).

Almost surely, 2^264140117 is an apocalyptic number.

It is an amenable number.

264140117 is a deficient number, since it is larger than the sum of its proper divisors (1).

264140117 is an equidigital number, since it uses as much as digits as its factorization.

264140117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 264140117 is about 16252.3880399159. The cubic root of 264140117 is about 641.6203383729.

Adding to 264140117 its reverse (711041462), we get a palindrome (975181579).

The spelling of 264140117 in words is "two hundred sixty-four million, one hundred forty thousand, one hundred seventeen".