1139305836 has 48 divisors (see below), whose sum is σ = 2676343040. Its totient is φ = 377213760.

The previous prime is 1139305829. The next prime is 1139305841. The reversal of 1139305836 is 6385039311.

1139305836 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1139305794 and 1139305803.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1805241 + ... + 1805871.

Almost surely, 2^1139305836 is an apocalyptic number.

It is an amenable number.

1139305836 is an abundant number, since it is smaller than the sum of its proper divisors (1537037204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1139305836 is a wasteful number, since it uses less digits than its factorization.

1139305836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 1139305836 is about 33753.6047852670. The cubic root of 1139305836 is about 1044.4318503771.

The spelling of 1139305836 in words is "one billion, one hundred thirty-nine million, three hundred five thousand, eight hundred thirty-six".