340378613 has 8 divisors (see below), whose sum is σ = 345119040. Its totient is φ = 335671200.

The previous prime is 340378603. The next prime is 340378637. The reversal of 340378613 is 316873043.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340378613 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 (340378603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12881 + ... + 29097.

It is an arithmetic number, because the mean of its divisors is an integer number (43139880).

Almost surely, 2^340378613 is an apocalyptic number.

It is an amenable number.

340378613 is a deficient number, since it is larger than the sum of its proper divisors (4740427).

340378613 is a wasteful number, since it uses less digits than its factorization.

340378613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16507.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 340378613 is about 18449.3526444697. The cubic root of 340378613 is about 698.2121812880.

The spelling of 340378613 in words is "three hundred forty million, three hundred seventy-eight thousand, six hundred thirteen".