203413134 has 64 divisors (see below), whose sum is σ = 445040640. Its totient is φ = 61810560.

The previous prime is 203413129. The next prime is 203413141. The reversal of 203413134 is 431314302.

It is a self number, because there is not a number n which added to its sum of digits gives 203413134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231504 + ... + 232380.

It is an arithmetic number, because the mean of its divisors is an integer number (6953760).

Almost surely, 2^203413134 is an apocalyptic number.

203413134 is an abundant number, since it is smaller than the sum of its proper divisors (241627506).

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

203413134 is a wasteful number, since it uses less digits than its factorization.

203413134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 203413134 is about 14262.2976409834. The cubic root of 203413134 is about 588.1114891099. Note that the first 3 decimals are identical.

Adding to 203413134 its reverse (431314302), we get a palindrome (634727436).

The spelling of 203413134 in words is "two hundred three million, four hundred thirteen thousand, one hundred thirty-four".