1139610340 has 24 divisors (see below), whose sum is σ = 2610744192. Its totient is φ = 414403680.

The previous prime is 1139610337. The next prime is 1139610341. The reversal of 1139610340 is 430169311.

It is a junction number, because it is equal to n+sod(n) for n = 1139610299 and 1139610308.

It is not an unprimeable number, because it can be changed into a prime (1139610341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2589804 + ... + 2590243.

It is an arithmetic number, because the mean of its divisors is an integer number (108781008).

Almost surely, 2^1139610340 is an apocalyptic number.

1139610340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1139610340 is an abundant number, since it is smaller than the sum of its proper divisors (1471133852).

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

1139610340 is a wasteful number, since it uses less digits than its factorization.

1139610340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180067 (or 5180065 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1139610340 is about 33758.1151725033. The cubic root of 1139610340 is about 1044.5248910505.

Adding to 1139610340 its reverse (430169311), we get a palindrome (1569779651).

It can be divided in two parts, 11396 and 10340, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 1139610340 in words is "one billion, one hundred thirty-nine million, six hundred ten thousand, three hundred forty".