1939109382 has 56 divisors (see below), whose sum is σ = 4984027536. Its totient is φ = 554028336.

The previous prime is 1939109363. The next prime is 1939109413. The reversal of 1939109382 is 2839019391.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 84793 + ... + 105204.

Almost surely, 2^1939109382 is an apocalyptic number.

1939109382 is an abundant number, since it is smaller than the sum of its proper divisors (3044918154).

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

1939109382 is an equidigital number, since it uses as much as digits as its factorization.

1939109382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190024 (or 190009 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 1939109382 is about 44035.3197104324. The cubic root of 1939109382 is about 1247.0028207704.

The spelling of 1939109382 in words is "one billion, nine hundred thirty-nine million, one hundred nine thousand, three hundred eighty-two".