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135639074867 is a prime number
BaseRepresentation
bin111111001010010111…
…0000000100000110011
3110222002220211221002112
41332110232000200303
54210242100343432
6142151200035535
712541156053602
oct1762456004063
9428086757075
10135639074867
11525847a358a
1222355302bab
13ca3826071a
1467ca3a5a39
1537dce557b2
hex1f94b80833

135639074867 has 2 divisors, whose sum is σ = 135639074868. Its totient is φ = 135639074866.

The previous prime is 135639074719. The next prime is 135639074903. The reversal of 135639074867 is 768470936531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135639074867 - 28 = 135639074611 is a prime.

It is not a weakly prime, because it can be changed into another prime (135639074267) 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, 67819537433 + 67819537434.

It is an arithmetic number, because the mean of its divisors is an integer number (67819537434).

Almost surely, 2135639074867 is an apocalyptic number.

135639074867 is a deficient number, since it is larger than the sum of its proper divisors (1).

135639074867 is an equidigital number, since it uses as much as digits as its factorization.

135639074867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22861440, while the sum is 59.

The spelling of 135639074867 in words is "one hundred thirty-five billion, six hundred thirty-nine million, seventy-four thousand, eight hundred sixty-seven".