234133405 has 16 divisors (see below), whose sum is σ = 306878400. Its totient is φ = 170069760.

The previous prime is 234133369. The next prime is 234133451. The reversal of 234133405 is 504331432.

It is a de Polignac number, because none of the positive numbers 2^k-234133405 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 234133405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53386 + ... + 57604.

It is an arithmetic number, because the mean of its divisors is an integer number (19179900).

Almost surely, 2^234133405 is an apocalyptic number.

It is an amenable number.

234133405 is a deficient number, since it is larger than the sum of its proper divisors (72744995).

234133405 is a wasteful number, since it uses less digits than its factorization.

234133405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5244.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 234133405 is about 15301.4183983054. The cubic root of 234133405 is about 616.3410970360.

Adding to 234133405 its reverse (504331432), we get a palindrome (738464837).

The spelling of 234133405 in words is "two hundred thirty-four million, one hundred thirty-three thousand, four hundred five".