1139937803 has 4 divisors (see below), whose sum is σ = 1144175760. Its totient is φ = 1135699848.

The previous prime is 1139937793. The next prime is 1139937817. The reversal of 1139937803 is 3087399311.

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 1139937803 - 2¹⁶ = 1139872267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1139939803) 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 in 3 ways as a sum of consecutive naturals, for example, 2118575 + ... + 2119112.

It is an arithmetic number, because the mean of its divisors is an integer number (286043940).

Almost surely, 2^1139937803 is an apocalyptic number.

1139937803 is a deficient number, since it is larger than the sum of its proper divisors (4237957).

1139937803 is an equidigital number, since it uses as much as digits as its factorization.

1139937803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237956.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 1139937803 is about 33762.9649616262. The cubic root of 1139937803 is about 1044.6249283136.

The spelling of 1139937803 in words is "one billion, one hundred thirty-nine million, nine hundred thirty-seven thousand, eight hundred three".