340612141 has 4 divisors (see below), whose sum is σ = 340650172. Its totient is φ = 340574112.

The previous prime is 340612099. The next prime is 340612147. The reversal of 340612141 is 141216043.

It is the 7535-th star number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 141216043 = 5581 ⋅25303.

It can be written as a sum of positive squares in 2 ways, for example, as 88755241 + 251856900 = 9421^2 + 15870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340612141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340612147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2641 + ... + 26233.

It is an arithmetic number, because the mean of its divisors is an integer number (85162543).

Almost surely, 2^340612141 is an apocalyptic number.

It is an amenable number.

340612141 is a deficient number, since it is larger than the sum of its proper divisors (38031).

340612141 is a wasteful number, since it uses less digits than its factorization.

340612141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38030.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 340612141 is about 18455.6804534539. The cubic root of 340612141 is about 698.3718219677.

Adding to 340612141 its reverse (141216043), we get a palindrome (481828184).

The spelling of 340612141 in words is "three hundred forty million, six hundred twelve thousand, one hundred forty-one".