135663371 has 2 divisors, whose sum is σ = 135663372. Its totient is φ = 135663370.

The previous prime is 135663343. The next prime is 135663373. The reversal of 135663371 is 173366531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135663371 - 2¹⁰ = 135662347 is a prime.

Together with 135663373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135663373) 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, 67831685 + 67831686.

It is an arithmetic number, because the mean of its divisors is an integer number (67831686).

Almost surely, 2^135663371 is an apocalyptic number.

135663371 is a deficient number, since it is larger than the sum of its proper divisors (1).

135663371 is an equidigital number, since it uses as much as digits as its factorization.

135663371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 35.

The square root of 135663371 is about 11647.4619982209. The cubic root of 135663371 is about 513.8316695584.

The spelling of 135663371 in words is "one hundred thirty-five million, six hundred sixty-three thousand, three hundred seventy-one".