1139708736 has 42 divisors (see below), whose sum is σ = 3266770962. Its totient is φ = 379902720.

The previous prime is 1139708653. The next prime is 1139708737. The reversal of 1139708736 is 6378079311.

It can be written as a sum of positive squares in only one way, i.e., 1081094400 + 58614336 = 32880^2 + 7656^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1139708691 and 1139708700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139708737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 988755 + ... + 989906.

It is an arithmetic number, because the mean of its divisors is an integer number (77780261).

Almost surely, 2^1139708736 is an apocalyptic number.

1139708736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1139708736 is an abundant number, since it is smaller than the sum of its proper divisors (2127062226).

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

1139708736 is a wasteful number, since it uses less digits than its factorization.

1139708736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978679 (or 1978666 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 1139708736 is about 33759.5725091418. The cubic root of 1139708736 is about 1044.5549522360.

The spelling of 1139708736 in words is "one billion, one hundred thirty-nine million, seven hundred eight thousand, seven hundred thirty-six".