259227138 has 16 divisors (see below), whose sum is σ = 518907456. Its totient is φ = 86333520.

The previous prime is 259227131. The next prime is 259227149. The reversal of 259227138 is 831722952.

It is a junction number, because it is equal to n+sod(n) for n = 259227096 and 259227105.

It is not an unprimeable number, because it can be changed into a prime (259227131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11206 + ... + 25377.

It is an arithmetic number, because the mean of its divisors is an integer number (32431716).

Almost surely, 2^259227138 is an apocalyptic number.

259227138 is an abundant number, since it is smaller than the sum of its proper divisors (259680318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

259227138 is a wasteful number, since it uses less digits than its factorization.

259227138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37769.

The product of its digits is 60480, while the sum is 39.

The square root of 259227138 is about 16100.5322272278. The cubic root of 259227138 is about 637.6173926067.

The spelling of 259227138 in words is "two hundred fifty-nine million, two hundred twenty-seven thousand, one hundred thirty-eight".