259214138 has 8 divisors (see below), whose sum is σ = 391659732. Its totient is φ = 128660896.

The previous prime is 259214083. The next prime is 259214143. The reversal of 259214138 is 831412952.

It can be written as a sum of positive squares in 2 ways, for example, as 250493929 + 8720209 = 15827^2 + 2953^2 .

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 = 259214098 and 259214107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472745 + ... + 473292.

Almost surely, 2^259214138 is an apocalyptic number.

259214138 is a deficient number, since it is larger than the sum of its proper divisors (132445594).

259214138 is a wasteful number, since it uses less digits than its factorization.

259214138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946176.

The product of its digits is 17280, while the sum is 35.

The square root of 259214138 is about 16100.1285088039. The cubic root of 259214138 is about 637.6067337887.

The spelling of 259214138 in words is "two hundred fifty-nine million, two hundred fourteen thousand, one hundred thirty-eight".