264140029 has 2 divisors, whose sum is σ = 264140030. Its totient is φ = 264140028.

The previous prime is 264139987. The next prime is 264140083. The reversal of 264140029 is 920041462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262764100 + 1375929 = 16210^2 + 1173^2 .

It is a cyclic number.

It is not a de Polignac number, because 264140029 - 2⁷ = 264139901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 264139979 and 264140006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264140089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132070014 + 132070015.

It is an arithmetic number, because the mean of its divisors is an integer number (132070015).

Almost surely, 2^264140029 is an apocalyptic number.

It is an amenable number.

264140029 is a deficient number, since it is larger than the sum of its proper divisors (1).

264140029 is an equidigital number, since it uses as much as digits as its factorization.

264140029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 264140029 is about 16252.3853326212. The cubic root of 264140029 is about 641.6202671196.

The spelling of 264140029 in words is "two hundred sixty-four million, one hundred forty thousand, twenty-nine".