347006139 has 8 divisors (see below), whose sum is σ = 487026240. Its totient is φ = 219161736.

The previous prime is 347006137. The next prime is 347006147. The reversal of 347006139 is 931600743.

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

It is not a de Polignac number, because 347006139 - 2¹ = 347006137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (347006137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3043857 + ... + 3043970.

It is an arithmetic number, because the mean of its divisors is an integer number (60878280).

Almost surely, 2^347006139 is an apocalyptic number.

347006139 is a deficient number, since it is larger than the sum of its proper divisors (140020101).

347006139 is a wasteful number, since it uses less digits than its factorization.

347006139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6087849.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 347006139 is about 18628.1007888620. The cubic root of 347006139 is about 702.7147228442.

The spelling of 347006139 in words is "three hundred forty-seven million, six thousand, one hundred thirty-nine".