203138034 has 16 divisors (see below), whose sum is σ = 443210400. Its totient is φ = 61556960.

The previous prime is 203138027. The next prime is 203138041. The reversal of 203138034 is 430831302.

It is an interprime number because it is at equal distance from previous prime (203138027) and next prime (203138041).

It is a junction number, because it is equal to n+sod(n) for n = 203137995 and 203138013.

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, 1538859 + ... + 1538990.

It is an arithmetic number, because the mean of its divisors is an integer number (27700650).

Almost surely, 2^203138034 is an apocalyptic number.

203138034 is an abundant number, since it is smaller than the sum of its proper divisors (240072366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203138034 is a wasteful number, since it uses less digits than its factorization.

203138034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077865.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 203138034 is about 14252.6500693731. The cubic root of 203138034 is about 587.8462449110.

Adding to 203138034 its reverse (430831302), we get a palindrome (633969336).

The spelling of 203138034 in words is "two hundred three million, one hundred thirty-eight thousand, thirty-four".