1139348260 has 12 divisors (see below), whose sum is σ = 2392631388. Its totient is φ = 455739296.

The previous prime is 1139348257. The next prime is 1139348267. The reversal of 1139348260 is 628439311.

It can be written as a sum of positive squares in 2 ways, for example, as 592630336 + 546717924 = 24344^2 + 23382^2 .

It is a super-2 number, since 2×1139348260² = 2596228915130055200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1139348267) 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, 28483687 + ... + 28483726.

It is an arithmetic number, because the mean of its divisors is an integer number (199385949).

Almost surely, 2^1139348260 is an apocalyptic number.

1139348260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1139348260 is an abundant number, since it is smaller than the sum of its proper divisors (1253283128).

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

1139348260 is a wasteful number, since it uses less digits than its factorization.

1139348260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56967422 (or 56967420 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1139348260 is about 33754.2332159983. The cubic root of 1139348260 is about 1044.4448139512. Note that the first 3 decimals are identical.

The spelling of 1139348260 in words is "one billion, one hundred thirty-nine million, three hundred forty-eight thousand, two hundred sixty".