135893629 has 2 divisors, whose sum is σ = 135893630. Its totient is φ = 135893628.

The previous prime is 135893617. The next prime is 135893671. The reversal of 135893629 is 926398531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70526404 + 65367225 = 8398^2 + 8085^2 .

It is a cyclic number.

It is not a de Polignac number, because 135893629 - 2⁹ = 135893117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135893609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67946814 + 67946815.

It is an arithmetic number, because the mean of its divisors is an integer number (67946815).

Almost surely, 2^135893629 is an apocalyptic number.

It is an amenable number.

135893629 is a deficient number, since it is larger than the sum of its proper divisors (1).

135893629 is an equidigital number, since it uses as much as digits as its factorization.

135893629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 46.

The square root of 135893629 is about 11657.3422785813. The cubic root of 135893629 is about 514.1222097333.

The spelling of 135893629 in words is "one hundred thirty-five million, eight hundred ninety-three thousand, six hundred twenty-nine".