203135159 has 4 divisors (see below), whose sum is σ = 215084304. Its totient is φ = 191186016.

The previous prime is 203135147. The next prime is 203135173. The reversal of 203135159 is 951531302.

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 203135159 - 2¹² = 203131063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203135059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5974547 + ... + 5974580.

It is an arithmetic number, because the mean of its divisors is an integer number (53771076).

Almost surely, 2^203135159 is an apocalyptic number.

203135159 is a deficient number, since it is larger than the sum of its proper divisors (11949145).

203135159 is a wasteful number, since it uses less digits than its factorization.

203135159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11949144.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 203135159 is about 14252.5492105798. The cubic root of 203135159 is about 587.8434716475.

The spelling of 203135159 in words is "two hundred three million, one hundred thirty-five thousand, one hundred fifty-nine".