340158 has 48 divisors (see below), whose sum is σ = 861840. Its totient is φ = 88704.

The previous prime is 340129. The next prime is 340169. The reversal of 340158 is 851043.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3778 + ... + 3866.

It is an arithmetic number, because the mean of its divisors is an integer number (17955).

2³⁴⁰¹⁵⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430920).

340158 is an abundant number, since it is smaller than the sum of its proper divisors (521682).

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

340158 is a wasteful number, since it uses less digits than its factorization.

340158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 340158 is about 583.2306576304. The cubic root of 340158 is about 69.8061302268.

The spelling of 340158 in words is "three hundred forty thousand, one hundred fifty-eight".