340142 has 8 divisors (see below), whose sum is σ = 556632. Its totient is φ = 154600.

The previous prime is 340129. The next prime is 340169. The reversal of 340142 is 241043.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340142.

It is an unprimeable number.

340142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7709 + ... + 7752.

It is an arithmetic number, because the mean of its divisors is an integer number (69579).

2³⁴⁰¹⁴² is an apocalyptic number.

340142 is a deficient number, since it is larger than the sum of its proper divisors (216490).

340142 is a wasteful number, since it uses less digits than its factorization.

340142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15474.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 340142 is about 583.2169407690. The cubic root of 340142 is about 69.8050357201.

Adding to 340142 its reverse (241043), we get a palindrome (581185).

Subtracting from 340142 its reverse (241043), we obtain a palindrome (99099).

It can be divided in two parts, 3401 and 42, that added together give a palindrome (3443).

The spelling of 340142 in words is "three hundred forty thousand, one hundred forty-two", and thus it is an iban number.