1138009850 has 24 divisors (see below), whose sum is σ = 2130918300. Its totient is φ = 452145920.

The previous prime is 1138009841. The next prime is 1138009861. The reversal of 1138009850 is 589008311.

It can be written as a sum of positive squares in 6 ways, for example, as 469632241 + 668377609 = 21671^2 + 25853^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1138009850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68927 + ... + 83826.

Almost surely, 2^1138009850 is an apocalyptic number.

1138009850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1138009850 is a deficient number, since it is larger than the sum of its proper divisors (992908450).

1138009850 is a wasteful number, since it uses less digits than its factorization.

1138009850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152914 (or 152909 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 1138009850 is about 33734.4015805824. The cubic root of 1138009850 is about 1044.0356785515.

The spelling of 1138009850 in words is "one billion, one hundred thirty-eight million, nine thousand, eight hundred fifty".