135948311 has 2 divisors, whose sum is σ = 135948312. Its totient is φ = 135948310.

The previous prime is 135948227. The next prime is 135948347. The reversal of 135948311 is 113849531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135948311 - 2¹⁸ = 135686167 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135948391) 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, 67974155 + 67974156.

It is an arithmetic number, because the mean of its divisors is an integer number (67974156).

Almost surely, 2^135948311 is an apocalyptic number.

135948311 is a deficient number, since it is larger than the sum of its proper divisors (1).

135948311 is an equidigital number, since it uses as much as digits as its factorization.

135948311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 35.

The square root of 135948311 is about 11659.6874314880. The cubic root of 135948311 is about 514.1911593986.

The spelling of 135948311 in words is "one hundred thirty-five million, nine hundred forty-eight thousand, three hundred eleven".