1139420003 has 4 divisors (see below), whose sum is σ = 1139621568. Its totient is φ = 1139218440.

The previous prime is 1139419993. The next prime is 1139420011. The reversal of 1139420003 is 3000249311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1139420003 - 2¹⁴ = 1139403619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1139420033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92051 + ... + 103692.

It is an arithmetic number, because the mean of its divisors is an integer number (284905392).

Almost surely, 2^1139420003 is an apocalyptic number.

1139420003 is a deficient number, since it is larger than the sum of its proper divisors (201565).

1139420003 is an equidigital number, since it uses as much as digits as its factorization.

1139420003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201564.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1139420003 is about 33755.2959252322. The cubic root of 1139420003 is about 1044.4667358500.

Adding to 1139420003 its reverse (3000249311), we get a palindrome (4139669314).

The spelling of 1139420003 in words is "one billion, one hundred thirty-nine million, four hundred twenty thousand, three".