1339394867 has 2 divisors, whose sum is σ = 1339394868. Its totient is φ = 1339394866.

The previous prime is 1339394851. The next prime is 1339394869. The reversal of 1339394867 is 7684939331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1339394867 - 2⁴ = 1339394851 is a prime.

Together with 1339394869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1339394869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669697433 + 669697434.

It is an arithmetic number, because the mean of its divisors is an integer number (669697434).

Almost surely, 2^1339394867 is an apocalyptic number.

1339394867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339394867 is an equidigital number, since it uses as much as digits as its factorization.

1339394867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 53.

The square root of 1339394867 is about 36597.7440151712. The cubic root of 1339394867 is about 1102.3077904270.

The spelling of 1339394867 in words is "one billion, three hundred thirty-nine million, three hundred ninety-four thousand, eight hundred sixty-seven".