259401142 has 48 divisors (see below), whose sum is σ = 525353472. Its totient is φ = 93281760.

The previous prime is 259401139. The next prime is 259401157. The reversal of 259401142 is 241104952.

It is a self number, because there is not a number n which added to its sum of digits gives 259401142.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 21043 + ... + 31009.

It is an arithmetic number, because the mean of its divisors is an integer number (10944864).

Almost surely, 2^259401142 is an apocalyptic number.

259401142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

259401142 is an abundant number, since it is smaller than the sum of its proper divisors (265952330).

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

259401142 is a wasteful number, since it uses less digits than its factorization.

259401142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10013 (or 10000 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 259401142 is about 16105.9349930391. The cubic root of 259401142 is about 637.7600257721.

The spelling of 259401142 in words is "two hundred fifty-nine million, four hundred one thousand, one hundred forty-two".