1359917939 has 2 divisors, whose sum is σ = 1359917940. Its totient is φ = 1359917938.

The previous prime is 1359917921. The next prime is 1359917959. The reversal of 1359917939 is 9397199531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1359917939 - 2⁸ = 1359917683 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1359917959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 679958969 + 679958970.

It is an arithmetic number, because the mean of its divisors is an integer number (679958970).

Almost surely, 2^1359917939 is an apocalyptic number.

1359917939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1359917939 is an equidigital number, since it uses as much as digits as its factorization.

1359917939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2066715, while the sum is 56.

The square root of 1359917939 is about 36877.0652167441. The cubic root of 1359917939 is about 1107.9093670842.

The spelling of 1359917939 in words is "one billion, three hundred fifty-nine million, nine hundred seventeen thousand, nine hundred thirty-nine".