340365213 has 16 divisors (see below), whose sum is σ = 520512000. Its totient is φ = 219589920.

The previous prime is 340365209. The next prime is 340365227. The reversal of 340365213 is 312563043.

It is a happy number.

340365213 is a `hidden beast` number, since 3 + 4 + 0 + 3 + 652 + 1 + 3 = 666.

It is not a de Polignac number, because 340365213 - 2² = 340365209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340365203) 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, 202488 + ... + 204161.

It is an arithmetic number, because the mean of its divisors is an integer number (32532000).

Almost surely, 2^340365213 is an apocalyptic number.

It is an amenable number.

340365213 is a deficient number, since it is larger than the sum of its proper divisors (180146787).

340365213 is a wasteful number, since it uses less digits than its factorization.

340365213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406689 (or 406683 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 340365213 is about 18448.9894845219. The cubic root of 340365213 is about 698.2030187793.

The spelling of 340365213 in words is "three hundred forty million, three hundred sixty-five thousand, two hundred thirteen".