340421147 has 8 divisors (see below), whose sum is σ = 374041920. Its totient is φ = 307245960.

The previous prime is 340421143. The next prime is 340421149. The reversal of 340421147 is 741124043.

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

It is a cyclic number.

It is not a de Polignac number, because 340421147 - 2² = 340421143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340421143) 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 7 ways as a sum of consecutive naturals, for example, 109793 + ... + 112850.

It is an arithmetic number, because the mean of its divisors is an integer number (46755240).

Almost surely, 2^340421147 is an apocalyptic number.

340421147 is a deficient number, since it is larger than the sum of its proper divisors (33620773).

340421147 is a wasteful number, since it uses less digits than its factorization.

340421147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222793.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 340421147 is about 18450.5053318331. The cubic root of 340421147 is about 698.2412631387.

The spelling of 340421147 in words is "three hundred forty million, four hundred twenty-one thousand, one hundred forty-seven".