1882068138 has 24 divisors (see below), whose sum is σ = 4118192676. Its totient is φ = 621144000.

The previous prime is 1882068121. The next prime is 1882068169. The reversal of 1882068138 is 8318602881.

It can be written as a sum of positive squares in 2 ways, for example, as 1412782569 + 469285569 = 37587^2 + 21663^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1882068093 and 1882068102.

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 11 ways as a sum of consecutive naturals, for example, 515803 + ... + 519438.

Almost surely, 2^1882068138 is an apocalyptic number.

1882068138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1882068138 is an abundant number, since it is smaller than the sum of its proper divisors (2236124538).

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

1882068138 is a wasteful number, since it uses less digits than its factorization.

1882068138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035350 (or 1035347 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 1882068138 is about 43382.8092451376. The cubic root of 1882068138 is about 1234.6535633264.

The spelling of 1882068138 in words is "one billion, eight hundred eighty-two million, sixty-eight thousand, one hundred thirty-eight".