203134994 has 16 divisors (see below), whose sum is σ = 311523840. Its totient is φ = 99312240.

The previous prime is 203134979. The next prime is 203134999. The reversal of 203134994 is 499431302.

It is a super-4 number, since 4×203134994⁴ (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (203134999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18032 + ... + 27044.

It is an arithmetic number, because the mean of its divisors is an integer number (19470240).

Almost surely, 2^203134994 is an apocalyptic number.

203134994 is a deficient number, since it is larger than the sum of its proper divisors (108388846).

203134994 is a wasteful number, since it uses less digits than its factorization.

203134994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9265.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 203134994 is about 14252.5434221405. The cubic root of 203134994 is about 587.8433124855.

The spelling of 203134994 in words is "two hundred three million, one hundred thirty-four thousand, nine hundred ninety-four".