135603473 has 2 divisors, whose sum is σ = 135603474. Its totient is φ = 135603472.

The previous prime is 135603451. The next prime is 135603493. The reversal of 135603473 is 374306531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104611984 + 30991489 = 10228^2 + 5567^2 .

It is a cyclic number.

It is not a de Polignac number, because 135603473 - 2¹² = 135599377 is a prime.

It is not a weakly prime, because it can be changed into another prime (135603493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67801736 + 67801737.

It is an arithmetic number, because the mean of its divisors is an integer number (67801737).

Almost surely, 2^135603473 is an apocalyptic number.

It is an amenable number.

135603473 is a deficient number, since it is larger than the sum of its proper divisors (1).

135603473 is an equidigital number, since it uses as much as digits as its factorization.

135603473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 135603473 is about 11644.8904245596. The cubic root of 135603473 is about 513.7560362222.

The spelling of 135603473 in words is "one hundred thirty-five million, six hundred three thousand, four hundred seventy-three".