234134551 has 4 divisors (see below), whose sum is σ = 267582352. Its totient is φ = 200686752.

The previous prime is 234134513. The next prime is 234134561. The reversal of 234134551 is 155431432.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-234134551 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 (234134561) 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, 16723890 + ... + 16723903.

It is an arithmetic number, because the mean of its divisors is an integer number (66895588).

Almost surely, 2^234134551 is an apocalyptic number.

234134551 is a deficient number, since it is larger than the sum of its proper divisors (33447801).

234134551 is an equidigital number, since it uses as much as digits as its factorization.

234134551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33447800.

The product of its digits is 7200, while the sum is 28.

The square root of 234134551 is about 15301.4558457684. The cubic root of 234134551 is about 616.3421026248.

Adding to 234134551 its reverse (155431432), we get a palindrome (389565983).

The spelling of 234134551 in words is "two hundred thirty-four million, one hundred thirty-four thousand, five hundred fifty-one".