1139920930 has 32 divisors (see below), whose sum is σ = 2075310720. Its totient is φ = 450785280.

The previous prime is 1139920897. The next prime is 1139920931. The reversal of 1139920930 is 390299311.

It is a self number, because there is not a number n which added to its sum of digits gives 1139920930.

It is not an unprimeable number, because it can be changed into a prime (1139920931) 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 15 ways as a sum of consecutive naturals, for example, 355635 + ... + 358825.

It is an arithmetic number, because the mean of its divisors is an integer number (64853460).

Almost surely, 2^1139920930 is an apocalyptic number.

1139920930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1139920930 is a deficient number, since it is larger than the sum of its proper divisors (935389790).

1139920930 is a wasteful number, since it uses less digits than its factorization.

1139920930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 1139920930 is about 33762.7150863197. The cubic root of 1139920930 is about 1044.6197742185.

The spelling of 1139920930 in words is "one billion, one hundred thirty-nine million, nine hundred twenty thousand, nine hundred thirty".