1363854139 has 2 divisors, whose sum is σ = 1363854140. Its totient is φ = 1363854138.

The previous prime is 1363854073. The next prime is 1363854169. The reversal of 1363854139 is 9314583631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1363854139 - 2⁹ = 1363853627 is a prime.

It is a super-2 number, since 2×1363854139² = 3720196224934862642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1363854095 and 1363854104.

It is not a weakly prime, because it can be changed into another prime (1363854169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681927069 + 681927070.

It is an arithmetic number, because the mean of its divisors is an integer number (681927070).

Almost surely, 2^1363854139 is an apocalyptic number.

1363854139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363854139 is an equidigital number, since it uses as much as digits as its factorization.

1363854139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 43.

The square root of 1363854139 is about 36930.3958684442. The cubic root of 1363854139 is about 1108.9772629168.

The spelling of 1363854139 in words is "one billion, three hundred sixty-three million, eight hundred fifty-four thousand, one hundred thirty-nine".