1138901682 has 16 divisors (see below), whose sum is σ = 2280919680. Its totient is φ = 379114512.

The previous prime is 1138901671. The next prime is 1138901693. The reversal of 1138901682 is 2861098311.

It is an interprime number because it is at equal distance from previous prime (1138901671) and next prime (1138901693).

It is a self number, because there is not a number n which added to its sum of digits gives 1138901682.

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 7 ways as a sum of consecutive naturals, for example, 125082 + ... + 133877.

It is an arithmetic number, because the mean of its divisors is an integer number (142557480).

Almost surely, 2^1138901682 is an apocalyptic number.

1138901682 is an abundant number, since it is smaller than the sum of its proper divisors (1142017998).

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

1138901682 is a wasteful number, since it uses less digits than its factorization.

1138901682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259697.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 1138901682 is about 33747.6174270125. The cubic root of 1138901682 is about 1044.3083362105.

Adding to 1138901682 its reverse (2861098311), we get a palindrome (3999999993).

The spelling of 1138901682 in words is "one billion, one hundred thirty-eight million, nine hundred one thousand, six hundred eighty-two".