203140492 has 24 divisors (see below), whose sum is σ = 364945392. Its totient is φ = 98904000.

The previous prime is 203140459. The next prime is 203140501. The reversal of 203140492 is 294041302.

203140492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20523 + ... + 28765.

It is an arithmetic number, because the mean of its divisors is an integer number (15206058).

Almost surely, 2^203140492 is an apocalyptic number.

It is an amenable number.

203140492 is a deficient number, since it is larger than the sum of its proper divisors (161804900).

203140492 is a wasteful number, since it uses less digits than its factorization.

203140492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8409 (or 8407 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 203140492 is about 14252.7362986902. The cubic root of 203140492 is about 587.8486159101.

Adding to 203140492 its reverse (294041302), we get a palindrome (497181794).

The spelling of 203140492 in words is "two hundred three million, one hundred forty thousand, four hundred ninety-two".