259140142 has 8 divisors (see below), whose sum is σ = 388786536. Its totient is φ = 129544632.

The previous prime is 259140137. The next prime is 259140157. The reversal of 259140142 is 241041952.

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

It is a super-2 number, since 2×259140142² = 134307226391560328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 259140142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4888 + ... + 23284.

It is an arithmetic number, because the mean of its divisors is an integer number (48598317).

Almost surely, 2^259140142 is an apocalyptic number.

259140142 is a deficient number, since it is larger than the sum of its proper divisors (129646394).

259140142 is a wasteful number, since it uses less digits than its factorization.

259140142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25442.

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

The square root of 259140142 is about 16097.8303507025. The cubic root of 259140142 is about 637.5460570082.

The spelling of 259140142 in words is "two hundred fifty-nine million, one hundred forty thousand, one hundred forty-two".