264140141261 has 2 divisors, whose sum is σ = 264140141262. Its totient is φ = 264140141260.

The previous prime is 264140141233. The next prime is 264140141339. The reversal of 264140141261 is 162141041462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209666915236 + 54473226025 = 457894^2 + 233395^2 .

It is a cyclic number.

It is not a de Polignac number, because 264140141261 - 2¹⁸ = 264139879117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264140141201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132070070630 + 132070070631.

It is an arithmetic number, because the mean of its divisors is an integer number (132070070631).

Almost surely, 2^264140141261 is an apocalyptic number.

It is an amenable number.

264140141261 is a deficient number, since it is larger than the sum of its proper divisors (1).

264140141261 is an equidigital number, since it uses as much as digits as its factorization.

264140141261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 264140141261 in words is "two hundred sixty-four billion, one hundred forty million, one hundred forty-one thousand, two hundred sixty-one".