340220132 has 36 divisors (see below), whose sum is σ = 709500204. Its totient is φ = 142248960.

The previous prime is 340220123. The next prime is 340220149. The reversal of 340220132 is 231022043.

It can be written as a sum of positive squares in 2 ways, for example, as 134699236 + 205520896 = 11606^2 + 14336^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 340220132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13133 + ... + 29204.

It is an arithmetic number, because the mean of its divisors is an integer number (19708339).

Almost surely, 2^340220132 is an apocalyptic number.

It is an amenable number.

340220132 is an abundant number, since it is smaller than the sum of its proper divisors (369280072).

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

340220132 is a wasteful number, since it uses less digits than its factorization.

340220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42396 (or 42387 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 340220132 is about 18445.0571156611. The cubic root of 340220132 is about 698.1038014443.

Adding to 340220132 its reverse (231022043), we get a palindrome (571242175).

The spelling of 340220132 in words is "three hundred forty million, two hundred twenty thousand, one hundred thirty-two".