234130133 has 4 divisors (see below), whose sum is σ = 244309728. Its totient is φ = 223950540.

The previous prime is 234130121. The next prime is 234130151. The reversal of 234130133 is 331031432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-234130133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234130163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5089763 + ... + 5089808.

It is an arithmetic number, because the mean of its divisors is an integer number (61077432).

Almost surely, 2^234130133 is an apocalyptic number.

234130133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

234130133 is a deficient number, since it is larger than the sum of its proper divisors (10179595).

234130133 is a wasteful number, since it uses less digits than its factorization.

234130133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10179594.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 234130133 is about 15301.3114797392. The cubic root of 234130133 is about 616.3382259130.

Adding to 234130133 its reverse (331031432), we get a palindrome (565161565).

The spelling of 234130133 in words is "two hundred thirty-four million, one hundred thirty thousand, one hundred thirty-three".