340147 has 6 divisors (see below), whose sum is σ = 356132. Its totient is φ = 324852.

The previous prime is 340129. The next prime is 340169. The reversal of 340147 is 741043.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-340147 is a prime.

340147 is a lucky number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (340117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 208 + ... + 850.

2³⁴⁰¹⁴⁷ is an apocalyptic number.

340147 is a deficient number, since it is larger than the sum of its proper divisors (15985).

340147 is an equidigital number, since it uses as much as digits as its factorization.

340147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 340147 is about 583.2212273229. The cubic root of 340147 is about 69.8053777572.

The spelling of 340147 in words is "three hundred forty thousand, one hundred forty-seven", and thus it is an iban number.