1399890203 has 2 divisors, whose sum is σ = 1399890204. Its totient is φ = 1399890202.

The previous prime is 1399890197. The next prime is 1399890209. The reversal of 1399890203 is 3020989931.

It is a balanced prime because it is at equal distance from previous prime (1399890197) and next prime (1399890209).

It is an emirp because it is prime and its reverse (3020989931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1399890203 - 2⁴ = 1399890187 is a prime.

It is a super-3 number, since 3×1399890203³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1399890209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699945101 + 699945102.

It is an arithmetic number, because the mean of its divisors is an integer number (699945102).

Almost surely, 2^1399890203 is an apocalyptic number.

1399890203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1399890203 is an equidigital number, since it uses as much as digits as its factorization.

1399890203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 1399890203 is about 37415.1066148421. The cubic root of 1399890203 is about 1118.6596963907.

The spelling of 1399890203 in words is "one billion, three hundred ninety-nine million, eight hundred ninety thousand, two hundred three".