343340138 has 8 divisors (see below), whose sum is σ = 515813088. Its totient is φ = 171402444.

The previous prime is 343340099. The next prime is 343340149. The reversal of 343340138 is 831043343.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 343340138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132206 + ... + 134777.

It is an arithmetic number, because the mean of its divisors is an integer number (64476636).

Almost surely, 2^343340138 is an apocalyptic number.

343340138 is a deficient number, since it is larger than the sum of its proper divisors (172472950).

343340138 is a wasteful number, since it uses less digits than its factorization.

343340138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267628.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 343340138 is about 18529.4397648715. The cubic root of 343340138 is about 700.2313099514.

The spelling of 343340138 in words is "three hundred forty-three million, three hundred forty thousand, one hundred thirty-eight".