203140412 has 18 divisors (see below), whose sum is σ = 377639472. Its totient is φ = 95594944.

The previous prime is 203140403. The next prime is 203140417. The reversal of 203140412 is 214041302.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203140417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86708 + ... + 89019.

Almost surely, 2^203140412 is an apocalyptic number.

It is an amenable number.

203140412 is a deficient number, since it is larger than the sum of its proper divisors (174499060).

203140412 is a wasteful number, since it uses less digits than its factorization.

203140412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175765 (or 175746 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 203140412 is about 14252.7334922112. The cubic root of 203140412 is about 587.8485387420.

Adding to 203140412 its reverse (214041302), we get a palindrome (417181714).

The spelling of 203140412 in words is "two hundred three million, one hundred forty thousand, four hundred twelve".