203412134 has 8 divisors (see below), whose sum is σ = 309672408. Its totient is φ = 100188000.

The previous prime is 203412133. The next prime is 203412137. The reversal of 203412134 is 431214302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203412133) 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, 758867 + ... + 759134.

It is an arithmetic number, because the mean of its divisors is an integer number (38709051).

Almost surely, 2^203412134 is an apocalyptic number.

203412134 is a deficient number, since it is larger than the sum of its proper divisors (106260274).

203412134 is a wasteful number, since it uses less digits than its factorization.

203412134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518070.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 203412134 is about 14262.2625834753. The cubic root of 203412134 is about 588.1105253693.

Adding to 203412134 its reverse (431214302), we get a palindrome (634626436).

The spelling of 203412134 in words is "two hundred three million, four hundred twelve thousand, one hundred thirty-four".