1139246240 has 96 divisors (see below), whose sum is σ = 2952391680. Its totient is φ = 411980800.

The previous prime is 1139246239. The next prime is 1139246263. The reversal of 1139246240 is 426429311.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1139246197 and 1139246206.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 334466 + ... + 337854.

It is an arithmetic number, because the mean of its divisors is an integer number (30754080).

Almost surely, 2^1139246240 is an apocalyptic number.

1139246240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139246240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1476195840).

1139246240 is an abundant number, since it is smaller than the sum of its proper divisors (1813145440).

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

1139246240 is a wasteful number, since it uses less digits than its factorization.

1139246240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606 (or 3598 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1139246240 is about 33752.7219643098. The cubic root of 1139246240 is about 1044.4136389821.

The spelling of 1139246240 in words is "one billion, one hundred thirty-nine million, two hundred forty-six thousand, two hundred forty".