1139115403 has 4 divisors (see below), whose sum is σ = 1157789488. Its totient is φ = 1120441320.

The previous prime is 1139115401. The next prime is 1139115421. The reversal of 1139115403 is 3045119311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3045119311 = 13 ⋅234239947.

It is a cyclic number.

It is not a de Polignac number, because 1139115403 - 2¹ = 1139115401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1139115401) 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, 9336951 + ... + 9337072.

It is an arithmetic number, because the mean of its divisors is an integer number (289447372).

Almost surely, 2^1139115403 is an apocalyptic number.

1139115403 is a deficient number, since it is larger than the sum of its proper divisors (18674085).

1139115403 is an equidigital number, since it uses as much as digits as its factorization.

1139115403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18674084.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1139115403 is about 33750.7837390482. The cubic root of 1139115403 is about 1044.3736554755.

The spelling of 1139115403 in words is "one billion, one hundred thirty-nine million, one hundred fifteen thousand, four hundred three".