340000139 has 2 divisors, whose sum is σ = 340000140. Its totient is φ = 340000138.

The previous prime is 340000127. The next prime is 340000169. The reversal of 340000139 is 931000043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340000139 - 2¹⁶ = 339934603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340000139.

It is not a weakly prime, because it can be changed into another prime (340000169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170000069 + 170000070.

It is an arithmetic number, because the mean of its divisors is an integer number (170000070).

Almost surely, 2^340000139 is an apocalyptic number.

340000139 is a deficient number, since it is larger than the sum of its proper divisors (1).

340000139 is an equidigital number, since it uses as much as digits as its factorization.

340000139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 340000139 is about 18439.0926837521. The cubic root of 340000139 is about 697.9532998041.

The spelling of 340000139 in words is "three hundred forty million, one hundred thirty-nine", and thus it is an aban number.