135783203 has 4 divisors (see below), whose sum is σ = 136819848. Its totient is φ = 134746560.

The previous prime is 135783187. The next prime is 135783211. The reversal of 135783203 is 302387531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135783203 - 2⁴ = 135783187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135783203.

It is not an unprimeable number, because it can be changed into a prime (135783223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518126 + ... + 518387.

It is an arithmetic number, because the mean of its divisors is an integer number (34204962).

Almost surely, 2^135783203 is an apocalyptic number.

135783203 is a deficient number, since it is larger than the sum of its proper divisors (1036645).

135783203 is a wasteful number, since it uses less digits than its factorization.

135783203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036644.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 135783203 is about 11652.6049877270. The cubic root of 135783203 is about 513.9829148939.

The spelling of 135783203 in words is "one hundred thirty-five million, seven hundred eighty-three thousand, two hundred three".