340142000 has 80 divisors (see below), whose sum is σ = 897290784. Its totient is φ = 123680000.

The previous prime is 340141981. The next prime is 340142003. The reversal of 340142000 is 241043.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (340142003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14270 + ... + 29730.

Almost surely, 2^340142000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340142000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448645392).

340142000 is an abundant number, since it is smaller than the sum of its proper divisors (557148784).

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

340142000 is a wasteful number, since it uses less digits than its factorization.

340142000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15495 (or 15479 counting only the distinct ones).

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

The square root of 340142000 is about 18442.9390282569. The cubic root of 340142000 is about 698.0503572014.

Adding to 340142000 its reverse (241043), we get a palindrome (340383043).

The spelling of 340142000 in words is "three hundred forty million, one hundred forty-two thousand".