340130252 has 24 divisors (see below), whose sum is σ = 742103040. Its totient is φ = 132518160.

The previous prime is 340130243. The next prime is 340130281. The reversal of 340130252 is 252031043.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551852 + ... + 552467.

It is an arithmetic number, because the mean of its divisors is an integer number (30920960).

Almost surely, 2^340130252 is an apocalyptic number.

It is an amenable number.

340130252 is an abundant number, since it is smaller than the sum of its proper divisors (401972788).

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

340130252 is a wasteful number, since it uses less digits than its factorization.

340130252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104341 (or 1104339 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 340130252 is about 18442.6205296319. The cubic root of 340130252 is about 698.0423205676.

Adding to 340130252 its reverse (252031043), we get a palindrome (592161295).

The spelling of 340130252 in words is "three hundred forty million, one hundred thirty thousand, two hundred fifty-two".