234500442137 has 4 divisors (see below), whose sum is σ = 252538937700. Its totient is φ = 216461946576.

The previous prime is 234500442103. The next prime is 234500442149. The reversal of 234500442137 is 731244005432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 130390321216 + 104110120921 = 361096^2 + 322661^2 .

It is a cyclic number.

It is not a de Polignac number, because 234500442137 - 2¹⁶ = 234500376601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234500442097 and 234500442106.

It is not an unprimeable number, because it can be changed into a prime (234500442157) 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, 9019247762 + ... + 9019247787.

It is an arithmetic number, because the mean of its divisors is an integer number (63134734425).

Almost surely, 2^234500442137 is an apocalyptic number.

It is an amenable number.

234500442137 is a deficient number, since it is larger than the sum of its proper divisors (18038495563).

234500442137 is a wasteful number, since it uses less digits than its factorization.

234500442137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18038495562.

The product of its (nonzero) digits is 80640, while the sum is 35.

Adding to 234500442137 its reverse (731244005432), we get a palindrome (965744447569).

The spelling of 234500442137 in words is "two hundred thirty-four billion, five hundred million, four hundred forty-two thousand, one hundred thirty-seven".