135104393 has 2 divisors, whose sum is σ = 135104394. Its totient is φ = 135104392.

The previous prime is 135104371. The next prime is 135104401. The reversal of 135104393 is 393401531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134281744 + 822649 = 11588^2 + 907^2 .

It is an emirp because it is prime and its reverse (393401531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135104393 - 2¹⁶ = 135038857 is a prime.

It is equal to p_7651118 and since 135104393 and 7651118 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (135104303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67552196 + 67552197.

It is an arithmetic number, because the mean of its divisors is an integer number (67552197).

Almost surely, 2^135104393 is an apocalyptic number.

It is an amenable number.

135104393 is a deficient number, since it is larger than the sum of its proper divisors (1).

135104393 is an equidigital number, since it uses as much as digits as its factorization.

135104393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 135104393 is about 11623.4415299428. The cubic root of 135104393 is about 513.1249792075.

The spelling of 135104393 in words is "one hundred thirty-five million, one hundred four thousand, three hundred ninety-three".