1139600000 has 384 divisors, whose sum is σ = 3633517440. Its totient is φ = 345600000.

The previous prime is 1139599991. The next prime is 1139600003. The reversal of 1139600000 is 69311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1139600003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30799982 + ... + 30800018.

It is an arithmetic number, because the mean of its divisors is an integer number (9462285).

Almost surely, 2^1139600000 is an apocalyptic number.

1139600000 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 1139600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1816758720).

1139600000 is an abundant number, since it is smaller than the sum of its proper divisors (2493917440).

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

1139600000 is an frugal number, since it uses more digits than its factorization.

1139600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1139600000 is about 33757.9620237952. The cubic root of 1139600000 is about 1044.5217319532.

Adding to 1139600000 its reverse (69311), we get a palindrome (1139669311).

The spelling of 1139600000 in words is "one billion, one hundred thirty-nine million, six hundred thousand".