264055139 has 2 divisors, whose sum is σ = 264055140. Its totient is φ = 264055138.

The previous prime is 264055097. The next prime is 264055151. The reversal of 264055139 is 931550462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264055139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 264055099 and 264055108.

It is not a weakly prime, because it can be changed into another prime (264055159) 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 as a sum of consecutive naturals, namely, 132027569 + 132027570.

It is an arithmetic number, because the mean of its divisors is an integer number (132027570).

Almost surely, 2^264055139 is an apocalyptic number.

264055139 is a deficient number, since it is larger than the sum of its proper divisors (1).

264055139 is an equidigital number, since it uses as much as digits as its factorization.

264055139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 264055139 is about 16249.7735061139. The cubic root of 264055139 is about 641.5515245658.

The spelling of 264055139 in words is "two hundred sixty-four million, fifty-five thousand, one hundred thirty-nine".