340020130 has 16 divisors (see below), whose sum is σ = 620421624. Its totient is φ = 134144640.

The previous prime is 340020103. The next prime is 340020151. The reversal of 340020130 is 31020043.

It can be written as a sum of positive squares in 4 ways, for example, as 195804049 + 144216081 = 13993^2 + 12009^2 .

It is a super-2 number, since 2×340020130² = 231227377610433800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340020130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232161 + ... + 233620.

Almost surely, 2^340020130 is an apocalyptic number.

340020130 is a deficient number, since it is larger than the sum of its proper divisors (280401494).

340020130 is a wasteful number, since it uses less digits than its factorization.

340020130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465861.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 340020130 is about 18439.6347577711. The cubic root of 340020130 is about 697.9669787308.

Adding to 340020130 its reverse (31020043), we get a palindrome (371040173).

The spelling of 340020130 in words is "three hundred forty million, twenty thousand, one hundred thirty".