135645203 has 2 divisors, whose sum is σ = 135645204. Its totient is φ = 135645202.

The previous prime is 135645197. The next prime is 135645217. The reversal of 135645203 is 302546531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135645203 - 2¹⁴ = 135628819 is a prime.

It is a super-2 number, since 2×135645203² = 36799242193822418, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135645233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67822601 + 67822602.

It is an arithmetic number, because the mean of its divisors is an integer number (67822602).

Almost surely, 2^135645203 is an apocalyptic number.

135645203 is a deficient number, since it is larger than the sum of its proper divisors (1).

135645203 is an equidigital number, since it uses as much as digits as its factorization.

135645203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 135645203 is about 11646.6820597113. The cubic root of 135645203 is about 513.8087311375.

The spelling of 135645203 in words is "one hundred thirty-five million, six hundred forty-five thousand, two hundred three".