1418856139 has 2 divisors, whose sum is σ = 1418856140. Its totient is φ = 1418856138.

The previous prime is 1418856121. The next prime is 1418856149. The reversal of 1418856139 is 9316588141.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1418856139 - 2¹⁹ = 1418331851 is a prime.

It is a super-3 number, since 3×1418856139³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1418856149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709428069 + 709428070.

It is an arithmetic number, because the mean of its divisors is an integer number (709428070).

Almost surely, 2^1418856139 is an apocalyptic number.

1418856139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1418856139 is an equidigital number, since it uses as much as digits as its factorization.

1418856139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 46.

The square root of 1418856139 is about 37667.7068455195. The cubic root of 1418856139 is about 1123.6889785363.

The spelling of 1418856139 in words is "one billion, four hundred eighteen million, eight hundred fifty-six thousand, one hundred thirty-nine".