203142304134 has 256 divisors, whose sum is σ = 596931379200. Its totient is φ = 49576665600.

The previous prime is 203142304129. The next prime is 203142304147. The reversal of 203142304134 is 431403241302.

203142304134 is a `hidden beast` number, since 2 + 0 + 3 + 14 + 230 + 413 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 203142304098 and 203142304107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 48841947 + ... + 48846105.

It is an arithmetic number, because the mean of its divisors is an integer number (2331763200).

Almost surely, 2^203142304134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203142304134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298465689600).

203142304134 is an abundant number, since it is smaller than the sum of its proper divisors (393789075066).

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

203142304134 is a wasteful number, since it uses less digits than its factorization.

203142304134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4896 (or 4890 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 203142304134 its reverse (431403241302), we get a palindrome (634545545436).

The spelling of 203142304134 in words is "two hundred three billion, one hundred forty-two million, three hundred four thousand, one hundred thirty-four".