1340030039 has 2 divisors, whose sum is σ = 1340030040. Its totient is φ = 1340030038.

The previous prime is 1340029991. The next prime is 1340030063. The reversal of 1340030039 is 9300300431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1340030039 - 2⁸ = 1340029783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1340029996 and 1340030023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340030099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670015019 + 670015020.

It is an arithmetic number, because the mean of its divisors is an integer number (670015020).

Almost surely, 2^1340030039 is an apocalyptic number.

1340030039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340030039 is an equidigital number, since it uses as much as digits as its factorization.

1340030039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 1340030039 is about 36606.4207346198. The cubic root of 1340030039 is about 1102.4820095000.

The spelling of 1340030039 in words is "one billion, three hundred forty million, thirty thousand, thirty-nine".