234425320138 has 8 divisors (see below), whose sum is σ = 372322567332. Its totient is φ = 110317797696.

The previous prime is 234425320123. The next prime is 234425320139. The reversal of 234425320138 is 831023524432.

It can be written as a sum of positive squares in 2 ways, for example, as 176999428369 + 57425891769 = 420713^2 + 239637^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 234425320097 and 234425320106.

It is not an unprimeable number, because it can be changed into a prime (234425320139) 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, 3447431145 + ... + 3447431212.

Almost surely, 2^234425320138 is an apocalyptic number.

234425320138 is a deficient number, since it is larger than the sum of its proper divisors (137897247194).

234425320138 is a wasteful number, since it uses less digits than its factorization.

234425320138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6894862376.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 234425320138 in words is "two hundred thirty-four billion, four hundred twenty-five million, three hundred twenty thousand, one hundred thirty-eight".