135667223 has 2 divisors, whose sum is σ = 135667224. Its totient is φ = 135667222.

The previous prime is 135667211. The next prime is 135667241. The reversal of 135667223 is 322766531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135667223 - 2⁶ = 135667159 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135664223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67833611 + 67833612.

It is an arithmetic number, because the mean of its divisors is an integer number (67833612).

Almost surely, 2^135667223 is an apocalyptic number.

135667223 is a deficient number, since it is larger than the sum of its proper divisors (1).

135667223 is an equidigital number, since it uses as much as digits as its factorization.

135667223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 35.

The square root of 135667223 is about 11647.6273549595. The cubic root of 135667223 is about 513.8365327254.

The spelling of 135667223 in words is "one hundred thirty-five million, six hundred sixty-seven thousand, two hundred twenty-three".